Leitung

Univ.-Prof. Dr.-Ing. C. G. Schäffer

Prof. Dr.-Ing. C.G. Schäffer
Raum:
1113
Telefon:
+49 (0)40 6541-2763
Email:

Sprechstunde
: nach Vereinbarung
Besucheranschrift
Helmut-Schmidt-Universität
Universität der Bundeswehr Hamburg
Gebäude H1
Holstenhofweg 85
22043 Hamburg
Postanschrift
Helmut-Schmidt-Universität
Universität der Bundeswehr Hamburg
Fakultät für Elektrotechnik
Hochfrequenztechnik
22039 Hamburg

 

Publikationen

  • Rückmann, M. ; Kleis, S. ; Schaeffer, C.G. ; Zibar, D.

Machine Learning in Quantum Communication

OSA Advanced Photonics Congress 2020 / SPPCom 2020, Virtual Web Conference / SpTu3I.6, 14. Juli 2020

DOI     https://www.osapublishing.org/abstract.cfm?URI=SPPCom-2020-SpTu3I.6

  • Rückmann, M. ; Kleis, S. ; Schaeffer, C.

17 GBd Sub-Photon Level Heterodyne Detection for CVQKD Enabled by Machine Learning

Optical Fiber Conference (OFC),  Poster Session II / Th2A.54, San Diego, USA, 8.-12. März 2020

  • Zibar, D. ; Moura, U. C. ; Chin, H. M. ; Rosa Brusin, A. M. ; Jain, N. ; Da Ros, F. ; Kleis, S. ; Schaeffer, C. ; Gehring, T. ; Andersen, U. L. ; Carena, A.

Advancing classical and quantum communication systems with machine learning

Optical Fiber Conference (OFC), paper W1K.1, San Diego, USA, 8.-12. März 2020

DOI     https://doi.org/10.1364/OFC.2020.W1K.1

  • Schäffer, C.G. ; Kleis, S. ; Rückmann, M. ; Zibar, D.

Heterodyne Receivers for Quantum Communication

Asia Communications and Photonics Conference (ACP) 2019, paper Th4H.1, InterContinental Chengdu Global Center, Chengdu, China, 2.-5.11.2019

DOI     https://www.osapublishing.org/abstract.cfm?URI=ACPC-2019-T4H.1

  • Chan, K. ; Geisler, A. ; Leibrich, J. ; Schäffer, C.G.

Experimental Demonstration of Differential Coding Gain for Dual Polarization Two-Eigenvalue Signals

IEEE Photonics Technology Letters, 28. Oktober 2019

DOI     https://doi.org/10.1109/LPT.2019.2949431

  • Rückmann, M. ; Schäffer, C.G.

1 GBaud Heterodyne Continuous Variable Quantum Key Distribution over 26 km Fiber

CLEO, paper FTh4A.4, San Jose, California, USA, 5.-10. Mai 2019

DOI    https://doi.org/10.1364/CLEO_QELS.2019.FTh4A.4

  • Kleis, S. ; Steinmayer, J. ; Derksen, R. ; Schäffer, C.G.

Experimental Investigation of Heterodyne Quantum Key Distribution in the S-Band or L-Band Embedded in a Commercial C-Band DWDM System

Optics Express , Vol. 27, Issue 12, pp. 16540-16549 (29. Mai 2019)

DOI     https://doi.org/10.1364/OE.27.016540

  • Kleis, S. ; Steinmayer, J. ; Derksen, R. ; Schäffer, C.G.

Experimental Investigation of Heterodyne Quantum Key Distribution in the S-Band Embedded in a Commercial DWDM System

Optical Fiber Conference, paper Th1J.3, San Diego, USA, 3.-7. März 2019

DOI     https://doi.org/10.1364/OFC.2019.Th1J.3

  • Kleis, S. ; Schäffer, C.G.

Improving the Secret Key Rate of Coherent Quantum Key Distribution with Bayesian Inference

Journal of Lightwave Technology, Vol. 37, No.3 , 1. Februar 2019

DOI     https://ieeexplore.ieee.org/document/8509112

  • Geisler, A. ; Leibrich, J. ; Schäffer, C.G.

Influence of Non-Ideal First Order Counter-Propagating Raman Amplification on Discrete Nonlinear Fourier Spectrum based Communication

19. ITG Fachtagung Photonische Netze, Leipzig, 11.-12. Juni 2018

DOI     https://ieeexplore.ieee.org/document/8436128/

  • Rueckmann, M. ; Kleis, S. ; Schäffer, C.G.

1 GBaud Continuous Variable Quantum Key Distribution Using Pilot Tone Assisted Heterodyne Detection

19. ITG Fachtagung Photonische Netze, Leipzig, 11.-12. Juni 2018

DOI     https://ieeexplore.ieee.org/document/8436123/

  • Darko Zibar ; Christian Schaeffer ; Jesper Moerk

Learning of Laser Dynamics using Bayesian Inference

CLEO, San Jose, USA, paper STh1C.1 , 13.-18.5.2018

DOI     https://ieeexplore.ieee.org/document/8427790/

  • Kleis, S. ; Schaeffer, C.G.

Improving the Performance of Coherent Quantum Communications with Bayesian Inference

Optical Fiber Conference (OFC), 2018, San Diego, USA, 11.-15. March 2018

DOI     https://ieeexplore.ieee.org/document/8386117/

  • Kleis, S. ; Schaeffer, C.G.

A Influence of the SNR of Pilot Tones on the Carrier Phase Estimation in Coherent Quantum Receivers

43rd European Conference on Optical Communication (ECOC), Gothenburg, 17.-21.9.2017

DOI     https://ieeexplore.ieee.org/document/8345980/

  • Kleis, S. ; Schaeffer, C.G.

Application of Machine Learning in Coherent Quantum Receivers

43rd European Conference on Optical Communication (ECOC), Gothenburg, 17.-21.9.2017

  • Kleis, S. ; Schaeffer, C.G.

Signal Processing Methods for Quantum Receivers

OSA Advanced Photonics Congress, Signal Processing in Photonics Communication, New Orleans, paper SpTu1F.1, 24.-27.7.2017

DOI     https://doi.org/10.1364/SPPCOM.2017.SpTu1F.1

  • Geisler, A. ; Schäffer, C.G.

Influence of input power mismatch on time domain detection of solitonic components

18. ITG Fachtagung Photonische Netze, Leipzig, 11.-12. Mai 2017

DOI     http://ieeexplore.ieee.org/document/7988092/

  • Kleis, S. ; Schäffer, C.G.

Comparison of frequency estimation methods for heterodyne quantum communication

18. ITG Fachtagung Photonische Netze, Leipzig, 11.-12. Mai 2017

DOI     http://ieeexplore.ieee.org/document/7988083/

  • Geisler, A. ; Schäffer, C.G.

Transmission of a Single Eigenvalue with 2-D Modulation using the Nonlinear Fourier Transformation

ITG-Workshop 5.3.1 – Modellierung photonischer Komponenten und Systeme, München, 17.-18. Februar 2017

  • S. Kleis, S. ; Rueckmann, M. ; Schaeffer, C.G.

Continuous variable quantum key distribution with a real local oscillator using simultaneous pilot signals

Optics Letters 42 (8), 1588–1591 (2017)

DOI      http://doi.org/10.1364/OL.42.001588

  • Schaeffer, C. G. ; Kleis, S.

Design of Coherent Receivers for Quantum Communication

Asia Communications and Photonics Conference, Nov. 2.-5. , 2016, Wuhan, China

DOI     https://doi.org/10.1364/ACPC.2016.ATh3D.3

  • Geisler, A. ; Schaeffer, C. G.

Experimental Nonlinear Frequency Division Multiplexed Transmission using Eigenvalues with Symmetric Real Part

42nd European Conference on Optical Communication (ECOC), poster Th.2.6.1, Düsseldorf, 19.-23.9.2016

DOI     http://ieeexplore.ieee.org/document/7769422/

  • Kleis, S. ; Schaeffer, C. G.

Heterodyne Coherent Scheme for Long Distance Quantum Key Distribution Using a Real Local Oscillator

42nd European Conference on Optical Communication (ECOC), paper Th.2.6.1, Düsseldorf, 19.-23.9.2016

DOI    http://ieeexplore.ieee.org/document/7767599/

  • Schäffer, C.G. ; Zimmermann, L. ; Rahim, A. ; Schwarz, S. ; Bruns, J. ; Voigt, K. ; Winzer, G. ; Petermann, K.

Optical OFDM Demultiplexer in Silicon Photonics

Workshop on Silicon & Diamond photonics, 08./09.03.2016 TU Braunschweig

  • Geisler, A. ; Schäffer, C.G.

Implementation of Eigenvalue Multiplex Transmission with a real Fiber Link using the Discrete Nonlinear Fourier Spectrum

17. ITG Fachtagung Photonische Netze, Leipzig, 12-13. Mai 2016

DOI     http://ieeexplore.ieee.org/document/7499208/

  • Kleis, S. ; Schäffer, C.G.

Coexistence of PSK quantum key distribution and WDM channels in optical transmission

17. ITG Fachtagung Photonische Netze, Leipzig, 12.-13. Mai 2016

DOI     http://ieeexplore.ieee.org/document/7499092/

  • Darko Zibar ; Jakob Thrane ; Jesper Wass ; Rasmus Jones ; Molly Piels ; Christian Schaeffer

Machine Learning Techniques Applied to System Characterization and Equalization

Optical Fiber Conference, paper Tu3K1, Anaheim, USA, 20.-22. March 2016

DOI     http://ieeexplore.ieee.org/document/7537619/

  • Geisler, A. ; Schäffer, C.G.

Eigenvalue Multiplex Transmission using the Discrete Nonlinear Fourier Spectrum

ITG-Workshop 5.3.1 – Modellierung photonischer Komponenten und Systeme, Berlin, 18.-19. Februar 2016

  • Zibar, Darko ; Piels, Molly ; Jones, Rasmus Thomas ; Schaeffer, C. G.

Machine Learning Techniques in Optical Communication

IEEE Journal of Lightwave Technology, vol: 34, issue: 6, pages: 1442 – 1452, 2016

DOI     http://dx.doi.org/10.1109/JLT.2015.2508502

  • Zibar, Darko ; Piels, Molly ; Jones, Rasmus Thomas ; Schaeffer, C. G.

Machine Learning Techniques in Optical Communication

41st European Conference on Optical Communication (ECOC) (ISBN: 9788460817413), paper Th.2.6.1, Valencia 2015

DOI     http://dx.doi.org/10.1109/ECOC.2015.7341896

  • Geisler, A. ; Schäffer, C.G.

Implementation of Eigenvalue Multiplex Transmission with a lossy 75km fiber link

Munich Workshop on Information Theory of Optical Fiber MIO 2015, 7. – 8. December 2015

  • Kleis, S. ; Rückmann, M. ; Schäffer, C.G.

Secure Key-Generation using Optical Coherent technology

DWT, Hamburg, 13.10. 2015

  • Kleis, S. ; Herschel, R. ; Schäffer, C. G.

Simple and Efficient Detection Scheme for Continuous Variable Quantum Key Distribution with m-ary Phase-Shift-Keying

CLEO, San Jose, Juni 2015

DOI     http://dx.doi.org/10.1364/CLEO_SI.2015.SW3M.7

  • Kleis, S. ; Schäffer, C. G.

Optical Coherent Scheme with m-PSK Modulation for Secure Key Distributionen

16. ITG Fachtagung Photonische Netze, Leipzig, 7.-9. Mai 2015

DOI     http://ieeexplore.ieee.org/document/7110092/

  • Reinhold Herschel ; Christoph Bierwirth ; Christian G. Schäffer

Polymer MMI coupler for millimeter wave demultiplexing

Microwave and Optical Technology Letters, Volume 57, Issue 5, pages 1184–1187, Mai 2015

DOI     https://doi.org/10.1002/mop.29050

  • Molly Piels ; Weiqi Xue ; Christian Schäffer ; Yi Yu ; Elizaveta Semenova ; Luisa Ottaviano ; Kresten Yvind ; Idelfonso Tafur Monroy ; Jesper Mørk ; Darko Zibar

Highly Sensitive Photonic Crystal Cavity Laser Noise Measurements using Bayesian Filtering

Optical Fiber Conference, paper W2A28, März 2015

DOI     http://dx.doi.org/10.1364/OFC.2015.W2A.28

  • Kleis, S. ; Herschel, R. ; Schäffer, C. G.

Coherent receiver architectures for secure key distribution using faint optical multilevel signals

Laser, Photonics, Biomedical Optics Conference (SPIE Photonics West), San Francisco, California, USA, 7.-12. Februar 2015

DOI     https://doi.org/10.1117/12.2079649

  • Molly Piels ; Miguel Iglesias Olmedo ; Weiqi Xue ; Xiaodan Pang ; Christian Schaeffer ; Richard Schatz ; Gunnar Jacobsen ; Idelfonso Tafur Monroy ; Jesper Moerk ; Sergei Popov ; Darko Zibar

Laser Rate Equation Based Filtering for Carrier Recovery in Characterization and Communication

Journal of Lightwave Technology, Volume 33, Issue 15, pages 3271 – 3279, Januar 2015

DOI     http://dx.doi.org/10.1109/JLT.2015.2430373

  • Herschel, R. ; Schäffer, C.G.

Phase Modulated Radio-Over Fiber System for High Order Modulation Milimeter Wave Link

Journal of Lightwave Technology, Vol. 32, No. 20, pp.3602-3608, Oktober 2014

DOI     http://dx.doi.org/10.1109/JLT.2014.2315662

  • Da Ros, F. ; Nölle, M. ; Meuer, C. ; Rahim, A. ; Voigt, K. ; Abboud, A. ; Sackey, I. ; Schwarz, S. ; Molle, L. ; Winzer, G. ; Zimmermann, L. ; Schäffer, C.G. ; Bruns, J. ; Petermann, K. ; Schubert, C.

Experimental demonstration of an OFDM receiver based on a silicon-nanophotonic discrete Fourier transform filter

IEEE Photonics Conference (IPC), San Diego, 12.-16. Oktober 2014

DOI    http://dx.doi.org/10.1109/IPCon.2014.6995253

  • Zimmermann, L. ; Rahim, A. ; Schwarz, S. ; Bruns, J. ; Voigt, K. ; Winzer, G. ; Schäffer, C.G. ; Petermann, K.

Si-photonic Based Optical OFDM Demultiplexer for Tb/s Transmission Links

Progress In Electromagnetics Research Symposium (PIERS), Session 1P_10b, Guangzhou, 25 -28. August 2014

  • Zibar, Darko ; Schäffer, Christian

Machine learning concepts in coherent optical communication systems

Signal Processing in Photonic Communications (SPPCom), 13 – 16 July 2014, San Diego, California, USA

DOI     https://doi.org/10.1364/SPPCOM.2014.ST2D.1

  • Kleis, S. ; Schäffer, C.G.

Architectures of coherent receivers for optical quantum communications

Photonics and wireless communications seminar. 19 Mai 2014. DTU Fotonik

  • Herschel, R. ; Schäffer, C.G.

Components and systems for mmw photonic-wireless data communication links

Photonics and wireless communications seminar, 19 May 2014, DTU Fotonik

  • Kleis, S. ; Schäffer, C.G.

Architekturen von kohärenten Empfängern für die optische Quantenkommunikation

15. ITG Fachtagung Photonische Netze, Leipzig, 5.-6. Mai 2014

  • Rahim, A. ; Schwarz, S. ; Bruns, J. ; Zimmermann, L. ; Ahmed, J. ; Schäffer, C. G. ; Petermann, K.

16-Channel O-OFDM Demultiplexer in Silicon Photonics

International Conference of Optical Fiber Communication (OFC), paper Th3F.2, San Francisco, 09.-13. März 2014

DOI     http://dx.doi.org/10.1364/OFC.2014.Th3F.2

  • Rahim, A. ; Schwarz, S. ; Bruns, J. ; Voigt, K. ; Winzer, G. ; Zimmermann, L. ; Schäffer, C. G. ; Petermann, K.

Silicon Photonic Implementation of a Scalable O-OFDM Demultiplexer

Photonics Technology Letters, Vol. 25, No. 20, pp. 1977-1980, Oktober 2013

DOI    http://dx.doi.org/10.1109/LPT.2013.2280698

  • Schwarz, S. ; Rahim, A. ; Schäffer, C. G. ; Bruns, J. ; Petermann, K.

Tunable Two-Stage 6th order FIR-Filter for Residual Dispersion Compensation

39th European Conference on Optical Communication (ECOC 2013), P.2.12, London, 22.- 26. September 2013

DOI     http://ieeexplore.ieee.org/document/6647773/

  • Schuster, T. ; Schäffer, C.G. ; Mertig, M. ; Plettemeier, D.

Entwicklung eines kompakten faseroptischen Oberflächenplasmonenresonanz-Sensors
Design of a Miniaturized Fiber-Optic Sufface Plasmon Resonance Sensor

Oldenbourg Wissenschaftsverlag, tm (Technisches Messen) 7-8/2013, p. 220-221

DOI     https://doi.org/10.1524/teme.2013.0028

  • Schwarz, S. ; Schäffer, C.G. ; Rahim, A. ; Bruns, J. ; Petermann, K.

Comparison of phase error sensitivities of all-optical discrete Fourier transforms for OFDM demultiplexing

Optical and Quantum Electronics, Vol. 45, No. 7, pp. 775-781, July 2013

DOI     http://link.springer.com/article/10.1007/s11082-013-9669-1

  • Schwarz, S. ; Rahim, A. ; Bruns, J. ; Petermann, K. ; Schäffer, C.G.

Scalable Integrated DFT Demultiplexer for Terabit Optical OFDM Transmission

Signal Processing in Photonics Communications (SPPCom), paper SPT2D.2 , Rio Grande, 14.-17. Juli 2013

DOI     https://doi.org/10.1364/SPPCOM.2013.SPT2D.2

  • Schwarz, S. ; Rahim, A. ; Bruns, J. ; Petermann, K. ; Schäffer, C.G.

Compact filter structures in Silicon-on-Insulator for high-speed signal processing

XI. ITG-Workshop 5.3.2 – Photonic μ-Packaging, Dresden, 11. Juli 2013

  • Rahim, A. ; Bruns, J. ; Voigt, K. ; Petermann, K. ; Schwarz, S. ; Schäffer, C.G.

Highly Scalable Integrated Discrete Fourier Transformation Filter in Silicon-on-Insulator for Next Generation WDM Systems

Proc. Conference on Lasers and Electro-Optics (CLEO Europe 2013), paper CI-1.2, München, 12. – 16. Mai 2013

DOI    http://dx.doi.org/10.1109/CLEOE-IQEC.2013.6801249

  • Gäde, S. ; Schäffer, C.G.

Simple Signaling Scheme for Reconfigurable Optical Access Networks based on Optical FMCW

14. ITG Fachtagung Photonische Netze, Leipzig, 6-7. Mai 2013

DOI    http://ieeexplore.ieee.org/document/6507693/

  • Rahim, A. ; Schwarz, S. ; Bruns, J. ; Schäffer, C.G. ; Petermann, K.

Terabit Optical OFDM demultiplexer in Silicon Photonics

International Conference of Optical Fiber Communication (OFC/NFOEC), paper JTh2A.28, Anaheim, USA, 17. – 21. März 2013

DOI    http://dx.doi.org/10.1364/NFOEC.2013.JTh2A.28

  • Gaede, S. ; Jastram, M. ; Schaeffer, C.G. ; Fritzsche, D. ; Weis, E. ; Breuer, D.

Field Evaluation of High Resolution Optical FMCW Monitoring Approaches in Passive Optical Networks

Optical Fiber Communication Conference 2013, Paper NM2I.2, 17.-21. März 2013, Anaheim USA

DOI    http://dx.doi.org/10.1364/NFOEC.2013.NM2I.2

  • Gaede, S. ; Jastram, M. ; Schaeffer, C.G. ; Weis, E. ; Breuer, D. ; Fritzsche, D.

Polarization Diversity Detection for Equidistant Target Discrimination in Passive Optical Networks

Optical Fiber Communication Conference 2013, Paper OW4H.3, 17.-21. März 2013, Anaheim USA

DOI     http://dx.doi.org/10.1364/OFC.2013.OW4H.3

  • Herschel, R. ; Kuhne, A. ; Schäffer, C.G.

Bidirectional direct detection mode multiplexing scheme for optical short link communications

Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), 2013 , vol., no., pp.1,3, 17.-21. März 2013

DOI     http://dx.doi.org/10.1364/NFOEC.2013.JTh2A.57

  • Schwarz, S. ; Rahim, A. ; Bruns, J. ; Petermann, K. ; Schäffer, C.G.

Optical Planar OFDM Demultiplexer for Realtime Signal Processing

ITG-Workshop 5.3.1 – Modellierung photonischer Komponenten und Systeme, Stuttgart, 14.-15. Februar 2013

  • Gäde, S. ; Jastram, M. ; Schäffer, C.G.

FMCW-based monitoring and signaling for reconfigurable optical networks

Conference on Optical Metro Networks and Short-Haul Systems V (SPIE OPTO), 5.-7. Februar 2013 in San Francisco, California USA

DOI     https://doi.org/10.1117/12.2008207

  • Rahim, A. ; Schwarz, S. ; Bruns, J. ; Voigt, K. ; Kroushkov, D. I. ; Arnous, M. T. ; Zimmermann, L. ; Schäffer, C. G. ; Petermann, K.

Tunable Residual Dispersion Compensator using Generalized MZIs in Silicon-on-Insulator

International Conference of Optical Fiber Communication (OFC/NFOEC), paper OTH4D.4, Los Angeles, 4. – 8. März 2012

DOI    http://ieeexplore.ieee.org/document/6191977/

  • Rahim, A. ; Schwarz, S. ; Bruns, J. ; Voigt, K. ; Kroushkov, D. I. ; Arnous, M. T. ; Schäffer, C.G. ; Petermann, K.

Finite Impulse Response Filter Using 4-Port MMI Couplers for Residual Dispersion Compensation

Journal of Lightwave Technology, Vol. 30, No. 7, pp. 990-996, April 2012

DOI    http://dx.doi.org/10.1109/JLT.2012.2185038

  • Rahim, A. ; Schwarz, S. ; Bruns J. ; Schäffer, C. G. ; Petermann, K.

C-Band Performance of a Novel Tunable Integrated Filter for Dispersion Compensation

16th European Conference on Integrated Optics and Technical Exhibition (ECIO 2012), Barcelona, 18. – 20. April 2012

DOI     https://www.ecio-conference.org/wp-content/uploads/2016/05/2012/ECIO-2012_201.pdf

  • Herschel, R, ; Schäffer, C.G. ; Müller, B.

Phase Modulated Optical Links for Efficient Realization of Complex Millimeter Wave Communication Systems

13. ITG Fachtagung Photonische Netze, Leipzig, 7-8. Mai 2012

  • Gäde, S. ; Herschel, R, ; Schäffer, C.G.

Optical FMCW Radar for Monitoring of Passive Optical Networks

13. ITG Fachtagung Photonische Netze, Leipzig, 7-8. Mai 2012

  • Schwarz, S. ; Rahim, A. ; Schäffer, C. G. ; Bruns, J. ; Petermann, K.

All-Optical Discrete Fourier Transform for OFDM Demultiplexing and its Sensitivity to Phase Errors

12th International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD 2012), paper ThC5, Shanghai, 28. – 31. August 2012

DOI     http://dx.doi.org/10.1109/NUSOD.2012.6316554

  • Schwarz, S. ; Rahim, A. ; Schäffer, C. G. ; Bruns, J. ; Petermann, K.

Fully Adjustable Serial-Parallel FIR Filter for Compensation of Residual Chromatic Dispersion

38th European Conference on Optical Communication (ECOC 2012), We.1.A.1, Amsterdam, 16. – 20. September 2012

DOI     http://dx.doi.org/10.1364/ECEOC.2012.We.1.A.1

  • Rahim, A. ; Schwarz, S. ; Bruns, J. ; Schäffer, C. G. ; Petermann, K.

Novel Tunable Integrated Filter for Dispersion Compensation realized in Silicon (SOI)

Symposium on Opto and Micro-electronic Devices and Circuits (SODC), Hangzhou, 23. – 28. September 2012

  • Schuster, T. ; Schäffer, C.G. ; Mertig, M. ; Bönsch, M. ; Plettemeier, D.

Fiber Grating-Assisted Investigation on Surface Plasmon Resonance of Fiber Cladding Modes

Proceedings of Sensors IEEE, pp.862-865, Taipei, Taiwan, 28. – 31. Oktober 2012

DOI     http://dx.doi.org/10.1109/ICSENS.2012.6411418

  • Neumann, N. ; Herschel, R. ; Schuster, T. ; Plettemeier, D. ; Schäffer, C. G.

Dispersion Estimation via Vestigial Sideband Filtering Using an Optical Delay Line Filter

Journal of Optical Communications and Networking, Vol. 3, Issue 2, pp. 155-161, 2011

DOI     http://ieeexplore.ieee.org/document/5712763/
DOI     http://doi.org/10.1364/JOCN.3.000155

  • Carbarello, A. ; Zibar, D. ; Schäffer, C. G. ; Tafur Monroy, I.

Photonic Downconversion for Coherent Phase-Modulated Radio-Over-Fiber Links Using Free-Running Local Oscillator

Optical Fiber Technology, March 2011

  • Gäde, S. ; Schäffer, C. G.

Overview of Optical Monitoring in Next Generation Optical Access Networks

12. ITG Fachtagung Photonische Netze, Leipzig 2.-3. Mai 2011

DOI     http://ieeexplore.ieee.org/document/6145202/

  • Herschel, R. ; Schäffer, C. G.

Architectures for multiband Multi Gbps Radio-over-Fiber Systems

12. ITG Fachtagung Photonische Netze, Leipzig 2.-3. Mai 2011

DOI    http://ieeexplore.ieee.org/document/6145216/

  • Schwarz, S. ; Rahim, A. ; Bruns, J. ; Schäffer, C.G. ; Petermann, K.

Tunable Finite Impulse Response Filter for Dispersion Compensation using Multi-Arm MZIs in SOI  Technology

IX. ITG-Workshop – Silicon Photonics, Nürnberg, 11. Mai 2011

  • Schuster, T. ; Neumann, N. ; Schäffer, C. G.

Miniaturized fiber-optic surface-plasmon-resonance sensor

21st International Conference on Optical Fiber Sensors OFS-21, Ottawa, Kanada, 15.-19. Mai 2011

DOI     https://doi.org/10.1117/12.888684

  • Rahim, A. ; Schwarz, S. ; Bruns, J. ; Schäffer, C.G. ; Petermann, K.

Compact FIR Filter Architecture for Tunable Optical Dispersion Compensation in Silicon Photonics

Integrated Photonics Research – Silicon and Nano Photonics, Toronto, Canada, 12. Juni 2011

DOI     https://doi.org/10.1364/IPRSN.2011.IWG4

  • Rahim, A. ; Schwarz, S. ; Bruns, J. ; Arnous, M. T. ; Schäffer, C. G. ; Petermann, K.

Optical Filter for Dispersion Compensation based on 4×4 MMI couplers in 4 μm Silicon on Insulator

2nd International Workshop on Tunable and Active Silicon Photonics (TASP 2012), Berlin, 11. – 13. September 2011

  • Herschel, R. ; Gupta, A. ; Schäffer, C.G.

Multi-channel Radio-over-Fiber system for millimeter wave wireless communication in the W-Band

Microwave Photonics, 2011 International Topical Meeting on & Microwave Photonics Conference, 2011 Asia-Pacific, MWP/APMP , vol., no., pp.97-100, 18.-21. Okt. 2011

DOI     http://dx.doi.org/10.1109/MWP.2011.6088678

  • Neumann, N. ; Schäffer, C. G.

Automatische Mittenfrequenz-Zentrierung eines optischen Delay-Line-Filters

11. ITG Fachtagung Photonische Netze, Leipzig 3.-4. Mai 2010

DOI     https://www.vde-verlag.de/proceedings-de/453249047.html

  • Haas, M. ; Kharitonov, S. ; Schäffer, C. G.

Polarisationsmodendispersionskompensation mittels EMTY-Modell und nichlinearer Optimierung

11. ITG Fachtagung Photonische Netze, Leipzig 3.-4. Mai 2010

DOI     https://www.vde-verlag.de/proceedings-de/453249039.html

  • Neumann, N. ; Haas, M. ; Plettemeier, D. ; Schäffer, C. G.

Talbot effect supported millimeter wave generation

MIKON 2010, Vilnius, Litauen, 14.-16. Juni 2010

  • Gäde, S. ; Schäffer, C. G.

Adaptiver Dispersion Slope Kompensator

Workshop Chromatische Dispersion, Dortmund, 19. Juni 2010

  • Schwarz, S. ; Schäffer, C.G.

Compensation of Residual Dispersion with Tunable Hybrid Filter Architecture

Workshop Chromatische Dispersion, Dortmund, 19. Juni 2010

  • Schuster, T. ; Neumann, N. ; Schäffer, C. G.

A Fiber-Optic Surface-Plasmon-Resonator Bio-Sensor

OSA Congress on Advanced Photonics, Karlsruhe, 21.-24. Juni 2010

  • Schäffer, C. G. ; Herschel, R.

Radio over Fiber Systems for Applications in Multigigabit/s Wireless Systems

EEI-Kollquium, Technische Fakultät Universität Erlangen, 8. Juli 2010

  • Schuster, T. ; Neumann, N. ; Schäffer, C. G.

Miniaturized fiber-optic sensor utilizing surface plasmon waves

13th International Meeting on Chemical Sensors (IMCS-13), Perth, Australia, 11.-14. Juli 2010

  • Herschel, R. ; Schäffer, C. G.

Optical Comb Generation Using an Amplified Fiber Loop based on a Seminconductor Optical Amplifier

P 2.03, ECOC 2010, Turin, 19.-23. September 2010

DOI     http://dx.doi.org/10.1109/ECOC.2010.5621475

  • Schäffer, C. G. ; Herschel, R. ; González Insua, I.

Signal Processing for Multigigabit/s RoF Systems

6th Joint Symposium on Opto- & Micro-electronic Devices and Circuits, SODC 2010, Berlin, 4.-7. Oktober 2010

  • Herschel, R. ; Schäffer, C. G.

Phase Drift Detection in Fiber Ring Lasers using an Optical Delay Line Filter

International Topical Meeting on Microwave Photonics (MWP’10), Montreal, Canada, 5.-9. Oktober 2010

DOI     http://dx.doi.org/10.1109/MWP.2010.5664168

  • Haas, M. ; Plettemeier, D. ; Schäffer, C. G.

Polarimeter with high frequency resolution based on Brillouin scattering

11th International Conference on Telecommunication Technologies and 8th International Conference on Optical Technologies for Telecommunications, Ufa, Russia, 16.-18. November 2010

  • Neumann, N. ; Plettemeier, D. ; Schäffer, C. G.

Nonlinear detection for performance monitoring applications

11th International Conference on Telecommunication Technologies and 8th International Conference on Optical Technologies for Telecommunications, Ufa, Russia, 16.-18. November 2010

  • Gonzalez Insua, I. ; Schäffer, C. G.

Broadband radio-over-fiber-based wireless access with 10 Gbps data rates

Journal of Optical Networking, Vol. 8, No. 1, pp. 77-83, 2009

DOI     https://doi.org/10.1364/JON.8.000077

  • Haas, M. ; Schäffer, C. G.

Performance Monitoring in High Speed Optical Networks

Photonics West, San Jose 24.-29. January 2009

DOI     https://doi.org/10.1117/12.811133

  • Fritzsche, D. ; Schürer, L. ; Ehrhardt, A. ; Breuer, D. ; Oeruen, H. ; Schäffer, C. G.

Field Trial Investigation of 16-states MLSE Equalizer for Simultaneous Compensation of CD, PMD and SPM

OFC/NFOEC, San Diego 22.-26. March 2009, Paper OWE4

DOI     http://doi.org/10.1364/OFC.2009.OWE4

  • González Insua, I. ; Schäffer, C. G.

Heterodyne Radio over Fiber System with 10 Gbps Data Rates

OFC/NFOEC, San Diego 22.-26. March 2009, Paper

DOI      http://doi.org/10.1364/NFOEC.2009.JWA52

  • Neumann, N. ; Schäffer, C. G.

Dispersionsmonitoring mit nichtlinearer Detektion für phasenmodulierte Signale

Workshop ITG Fachgruppe 5.3.1., Erlangen 02.-03. März 2009

  • Haas, M. ; Bekhtur, U. ; Schäffer, C. G.

Performance-Monitoring in PDL– und PDG–behafteten optischen Netzen

ITG Fachtagung Photonische Netze, Leipzig 04.-05. Mai 2009

DOI     https://www.vde-verlag.de/proceedings-de/453161040.html

  • Neumann, N. ; Schäffer, C. G.

Dispersion Monitoring for Advanced Modulation Formats using Nonlinear Detection

ITG Fachtagung Photonische Netze, Leipzig 04.-05. Mai 2009

DOI     https://www.vde-verlag.de/proceedings-de/453161005.html

  • Schuster, T. ; Schäffer, C. G.

Faseroptischer Oberflächen-Plasmonen-Resonanz-Sensor

6. Deutsches BioSensor Symposium, Freiburg 29.3.-1.4.2009

  • Schuster, T. ; Neumann, N Schäffer, C. G.

Concept for a fiber-optical sensor utilizing surface-plasmon waves

Eurosensors Conference XXIII Lausanne, Schweiz, Procedia Chemistry, Volume 1, 309-312, 2009

  • Herschel, R. ; Neumann, N. ; Schäffer, C. G.

System Concept for 60 GHz DWDM-Radio-over Fibre

European Workshop on photonic solutions for wireless access, and in-house networks, Duisburg 18.-20. Mai 2009

  • González Insua, I. ; Schäffer, C. G.

Experimental Comparison of 10 Gbit in Radio over Fiber Systems

International Microwave Symposium (IMS), Boston 7.-12. June 2009, Paper

DOI     http://doi.org/10.1109/MWSYM.2009.5165668

  • Zibar, D. ; Carbarello, A. ; Schäffer, C.G.

Digital Coherent Receiver Employing Photonic Downconversion for Phase Modulated Radio-Over-Fibre Links

International Microwave Symposium (IMS), Boston, 7.-12. June 2009

DOI     http://doi.org/10.1109/MWSYM.2009.5165709

  • Herschel, R. ; Schuster, T. ; Schäffer, C. G.

Coherent optical frequency comb generation using an amplified fibre loop

IEEE conference proceeding “Photonics and Microsystems, 2009 International Students and Young Scientists Workshop” Wernigerode (Deutschland) 25.06.-27.06.2009

DOI     http://doi.org/10.1109/STYSW.2009.5470306

  • Fritzsche, D. ; Breuer, D. ; Schürer, L. ; Ehrhardt, A. ; Oeruen, H. ; Schäffer, C. G.

Application of MLSE Technology in Optical Communication Systems and Performance Evalutation in 10Gbit/s Field Trials

TuC2.2, IEEE Photonics Summer Topical meeting, Newport Beach, California, 20.-22. July 2009

DOI     https://doi.org/10.1109/LEOSST.2009.5226224

  • Neumann, N. ; Schuster, T. ; Schäffer, C. G.

Simple Filter for Dispersion Estimation via optical VSB filtering

ECOC, paper 4.1.7, 20.09.-24.09.2009 Wien, Österreich

DOI    http://ieeexplore.ieee.org/document/5287070/

  • González Insua, I. ; Plettemeier, D. ; Schäffer, C. G.

Simple Remote Heterodyne RoF System for Gbps Wireless Access

2009 International Topical Meeting on Microwave Photonics 14.10.-16.10.2009 Valencia, Spanien

DOI     https://ieeexplore.ieee.org/document/5342670

  • González Insua, I. ; Plettemeier, D. ; Schäffer, C. G.

Simple In-House Millimeter Wave Radio Over Fiber System for GBPS Wireless Networks

The 12th International Symposium on Wireless Personal Multimedia Communications (WPMC 2009) 07.09.-12.09.2009 Sendai, Japan

  • Herschel, R. ; Schäffer, C. G.

Photonisches Heruntermischen von Mikrowellensignalen mittels optischem Frequenzkamm

ITG Workshop Berlin, 12.-13. November 2009

  • Soultanov, A.K. ; Schäffer, C.G. ; Bagmanov, V.K. ; Haas, M. ; Kharitonov, S.

Simulation of polarization mode dispersion compensation based on EMTY-model and nonlinear optimization

SPIE Conference „Optical Technologies for Telecommunications“, Samara, Russland, 17.-19. November 2009

DOI     https://doi.org/10.1117/12.854874

  • Fritzsche, D. ; Breuer, D. ; Schürer, L. ; Ehrhardt, A. ; Oeruen, H. ; Schäffer, C. G.

Experimental Investigation of Real Time 10 Gbit/s MLSE Equalizer Using 4-states and 16-states Viterbi Detector

IEEE Global Communications Conference (IEEE GLOBECOM 2009), 30 November – 4 December 2009 in Honolulu, Hawaii

DOI     http://doi.org/10.1109/GLOCOM.2009.5425833

  • Neumann, N. ; Herschel, R. ; Schäffer, C. G.

Einfaches Dispersionsmonitoring mit faseroptischem VSB-Filter und elektronischer Auswertung

Workshop ITG Fachgruppe 5.3.1., Berlin 12.-13. November 2009

  • González Insua, I. ; Kojucharow, K. ; Schäffer, C. G.

Multi Gbit/s transmission over a fiber optic mm-wave link

International Microwave Symposium 2008 in Atlanta, USA, 15.06.-20.06.2008, Paper WE3D-02

DOI     https://doi.org/10.1109/MWSYM.2008.4633211

  • Bülow, H. ; Dubovan, J. ; Herschel, R.

Outage Dynamics of 40 Gb/s Optical Paths Routed over PMD-Impaired Fiber Links

Session title: OWA – Physical Impairment Aware Networkings, Pres. no.: OWA3r OFC/NFOEC 2008 in San Diego, California, USA, 24.02.-28.02.2008

DOI     https://doi.org/10.1109/OFC.2008.4528660

  • Fritzsche, D. ; Duthel, T. ; Schäffer, C. G.

Performance analysis of dispersion compensating optical FIR filters designed using a quasi-analytic synthesis approach

Optics Communications Volume 281, Issue 9, 1 May 2008, pp. 2429-2432

DOI     https://doi.org/10.1016/j.optcom.2007.12.051

  • Neumann, N. ; Schäffer, C. G.

Toleranzanalyse eines optischen Delay-Line-Filters für 100 Gbit/s

9. ITG Fachtagung Photonische Netze, Leipzig 28.04.-29.04.2008

DOI     https://www.vde-verlag.de/proceedings-de/453097008.html

  • Haas, M. ; Schäffer, C. G.

Intrakanal PMD-Messung in hochbitratigen optischen Netzen

9. ITG Fachtagung Photonische Netze, Leipzig 28.04.-29.04.2008

DOI     https://www.vde-verlag.de/proceedings-de/453097023.html

  • González Insua, I. ; Schäffer, C. G.

Broadband Wireless Access

9. ITG Fachtagung Photonische Netze, Leipzig 28.04.-29.04.2008

DOI     https://www.vde-verlag.de/proceedings-de/453097018.html

  • Neumann, N. ; Schäffer, C. G.

Abstimmstrategien für ein optisches Delay-Line-Filter zur Restdispersionskompensation

Workshop ITG Fachgruppe 5.3.1., Kiel 12.06.-13.06.2007

  • Schuster, T. ; Herschel, R. ; Schäffer, C. G.

Faseroptischer Sensor mittels Oberflächen-Plasmonen-Resonanz

Journal Scientific Reports der Hochschule Mittweida, IWKM 6.11.2008

  • Herschel, R. ; Schuster, T. ; Schäffer, C. G.

The evaluation of thin electrolessly plated metal layers by means of surface plasmon resonance

IEEE conference proceeding „Photonics and Microsystems, 2008 International Students and Young Scientists Workshop“, Wroclaw (Polen) 20.7.-23.7.2008

DOI     http://doi.org/10.1109/STYSW.2008.5164135

  • Neumann N. ; Schäffer, C. G.

Designaspekte optischer IIR-Filter für schnelle Übertragungssysteme

Workshop ITG Fachgruppe 5.3.1., München, 12.02.-13.02.2007

  • Neumann, N. ; Schäffer, C. G.

Synthese dispersionskompensierender optischer Delay-Line-Filter mit analytischen Methoden

8. ITG Fachtagung Photonische Netze, Leipzig 07.05.-08.05.2007

  • Haas M. ; Schäffer, C. G.

Optisches Performance-Monitoring in hochbitratigen Datenübertragungssystemen

8. ITG Fachtagung Photonische Netze, Leipzig 07.05.-08.05.2007

  • González Insua, I. ; Schäffer, C. G.

Optical Microwave Signal Generation using a Fiber Loop

IEEE Journal of Lightwave Technologies, Vol. 25, No. 11, November 2007, pp. 3341-3349

DOI     https://doi.org/10.1109/JLT.2007.906817

  • Neumann, N. ; Duthel, T. ; Haas, M. ; Schäffer, C. G.

Gerneral design rules for the synthesis of dispersion and dispersion slope compensation FIR and IIR filters with reduced complexity

IEEE Journal of Lightwave Technologies, VOL.25, No.11, November 2007, pp. 3555-3562

DOI     https://doi.org/10.1109/JLT.2007.905218

  • Krummrich, P. ; Weiershausen, W. ; Elbers, J.-P. ; Leuthold, J. ; Haunstein, H. ; Schmidt, E.-D. ; Richter, A. ; Hanik, N. ; Rosenkranz, W. ; Schäffer, C. G. ; Bach, H.-G.

100-Gbit/s-Ethernet in optischen Netzen aus der Sicht der Übertragungstechnik

Ntz VDE Verlag, Band 60 H. 6, S.14-28, 2007

  • Schäffer, C. G.

Future Broadband Radio over Fiber Systems

BMBFStrategiesitzung IKT 2020, Berlin 22.05.2007

  • Schuster, T. ; Schäffer, C. G.

Fiber Optic SPR Sensors for Biochemical Engineering

Workshop Photonics and Microsystems, Dresden 08.07.-10.07.2007

  • Neumann, N. ; Schäffer, C. G.

Concepts for Dispersion Monitoring

Workshop Photonics and Microsystems, Dresden 08.07.-10.07.2007

  • Haas, M. ; Schäffer, C. G.

Optical Performance Monitoring in High Speed Optical Networks

Workshop Photonics and Microsystems, Dresden 08.07.-10.07.2007

  • Schäffer, C. G. ; Sauer, M.

Fiber Transmission Behavior of Millimeter-Wave-Electro-Optical Upconversion Systems with Transmitter Chirp

Prodeedings of the European Microwave Association, Vol. 3. September 2007, pp. 190-200

  • Schäffer, C. G.

Radio over Fiber Systems for In Building Systems

EU Photonics 21, Berlin 30.10.-01.11.2007

  • Haas, M. ; Schäffer, C. G.

Intrachannel PMD-Monitoring

Workshop ITG Fachgruppe 5.3.1., Stuttgart 15.11.-16.11.2007

  • Neumann, T. ; Schäffer, C. G.

Performance-Limits nichtrekursiver dispersionskompensierender Filter

Workshop ITG Fachgruppe 5.3.1., Stuttgart 15.11.-16.11.2007

  • Fritzsche D. ; Lischka L. ; Breuer D. ; Schäffer, C. G.

Volterra based nonlinear equalizer with reduced complexity

Asia-Pacific Optical Communication (APOC), Wuhan 2007, Paper 6783-70

DOI     https://doi.org/10.1117/12.745320

  • Neumann, N. ; Schäffer, C. G.

Dispersionskompensator und –monitor

Workshop Fachhochschule Telekom, Leipzig 29.11.2007

  • Haas M. ; Schäffer, C. G.

Intrachannel PMD–Monitoring

Workshop Fachhochschule Telekom, Leipzig 29.11.2007

  • Schuster, T. ; Schäffer, C. G.

Plasmaresonanz einzelner und gekoppelter Gold-Nanopartikel

Workshop Fachhochschule Telekom, Leipzig 29.11.2007

  • González Insua I. ; Schäffer, C. G.

FWM effects ia a fiber loop

Workshop Fachhochschule Telekom, Leipzig 29.11.2007

  • Sauer, M. ; Schäffer, C. G.

Millimeter-Wave Upconversion with Chirping Sources

Submitted to IEEE Trans.Microwave Theory Techniques

2006

  • Fritzsche, D. ; Breuer, D. ; Schäffer, C. G.

Simple and robust link design concept for long haul transmission using equalizing techniques

7. ITG-Fachtagung Photonische Netze, Leipzig 27.-28.4.2006

DOI     http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=5756005

  • Haas, M. ; Schäffer, C. G.

Development and realisation of a fibre-optical interferometer

Workshop Photonics and Microsystems, Wroclaw, Polen, 30.06.-02.07.2006

  • Neumann, N. ; Schäffer, C. G.

Analytic approaches for the design of Optical Delay Line Filters

Workshop Photonics and Microsystems, Wroclaw, Polen, 30.06.-02.07.2006

  • Schuster, T. ; Sander, T. ; Lakner, H.

Investigations on an integrated optical position detection of micromachined scanning mirrors

Workshop Photonics and Microsystems, Wroclaw, Polen, 30.06.-02.07.2006

  • Fritzsche, D. ; Schäffer, C. G. ; Breuer, D.

Link design concept using equalization techniques for robust optical transparent long haul transmission

Asian-Pacific Optical Conference (APOC 2006)

DOI     https://doi.org/10.1117/12.688994

  • González Insua, I. ; Schäffer, C. G.

Optical Generation of Microwave Signals based on XPM of SOAs in a Fiber Loop

submitted to International Topical Meeting on Microwave Photonics (MWP’06)

DOI     https://doi.org/10.1109/MWP.2006.346572

  • Duthel, T. ; Fritzsche, D. ; Michael, F. ; Schäffer, C. G. ; Breuer, D.

Quasi-Analytic Synthesis of Nonrecursive Optical Delay Line Filters for Reliable Compensation of Dispersion Effects

Lightwave Technology, Journal of, IEEE, Vol. 24, Issue, 11.11.2006

DOI     https://doi.org/10.1109/JLT.2006.881477

  • Fürst, C. ; Elbers, J.-P. ; Camera, M. ; Wernz, H. ; Griesser, H. ; Herbst, S. ; Cavaliere, F. ; Ehrhardt, A. ; Breuer, D. ; Fritzsche, D. ; Vorbeck, S. ; Schneiders, M. ; Weiershausen, W. ; Leppla, R. ; Wendler, J. ; Schrödel, M. ; Wuth, T. ; Fludger, C. ; Duthel, T. ; Milivojevic, B. ; Schulien, C.

43 Gb/s RZDQPSK DWDM Field Trial over 1047 km with Mixed 43 Gb/s and 10.7 Gb/s Channels at 50 and 100 GHz Channel Spacing

ECOC Cannes, 2006, Post Deadline Paper Th4.1.4


2005

  • Duthel, T. ; Spaarschuh, M. ; Schäffer, C. G.

Thermally tunable fused fiberoptic 2×2 coupler

akzeptiert für ECOC 2005
DOI     http://ieeexplore.ieee.org/document/1576459/

  • Duthel, T. ; Jansen, S. L. ; Krummrich, P. M. ; Schäffer, C. G.

Faseroptisches Delay-Line Filter zur Gruppenlaufzeitentzerrung in schnellen optischen Übertragungssystemen

6. ITG-Fachtagung Photonische Netze, Leipzig 7.-8.5.2005

  • Duthel, T. ; Jansen, S. L. ; Otto, M. ; Krummrich, P. M. ; Schäffer, C. G.

Multi-Channel Residual Dispersion Compensation in a 40 Gb/s WDM System Utilizing a Single All-fiber Delay Line Filter

Optical Fiber Communication Conference and Exhibit, accepted for publication, JWA 20, 2005

  • Schade, U. ; Holldack, K. ; Schondelmeier, D. ; Rudolph, I. ; Staats G.

Nahfeldoptik für den THz Bereich

München: Deutsches Patent- und Markenamt, in Prüfung

  • Schäffer, C. G.

Hybrid-fiber-radio for broadband access networks

PWCom 2005 12th Nefertiti Workshop, 1.-3.6.2005, Säröhus, Götheborg, Schweden

  • Lange, S. ; Schäffer, C. G.

Dispersionkompensation in Mehrmodenfasern

Workshop Messung und Modellierung in der optischen Nachrichtentechnik ITG 9.1, 1.-3.6.2005, Hamburg

  • González Insua, I. ; Schäffer, C. G.

Generation of advanced modulation formats with a fiber loop

International Students and Young Scientists Workshop „Photonics and Microsystems“, 7.-8.07.2005 Dresden

  • Michael, F. ; Schäffer, C. G.

Compact all-fiber dispersion compensators

IEEE International Students and Young Scientists Workshop „Photonics and Microsystems“, 7.-8.07.2005 Dresden

  • Horowitz, M. ; Rosenthal, A. ; Lange, S. ; Schäffer, C. G.

Experimental reconstruction of a longperiod grating from its core-to-core transmission spectrum

accepted for publication in OSA Optics Letters

  • Duthel, T. ; Schäffer, C. G.

Mach-Zehnder-like Fiber Optical Finite Impulse Response Filter for Dispersion Compensation

submitted to IEEE Journal of Ligthwave Technology

  • Fritzsche D. ; Breuer, D. ; Duthel, T. ; Schäffer, C. G.

Dispersionskompensationsfilter in transparenten optischen Netzen

ITG Fachgruppe 5.3.1, 17.-18.11.2005, Berlin

  • Schäffer, C. G.

Hybrid Fiber Radio, Stand der Technik und künftige Entwicklungen

Frauenhofer Institut für Nachrichtentechnik, Heinrich-Hertz Institut Berlin, 30.11.2005 Berlin

  • Duthel, T. ; Fritzsche, D. ; Michael, F. ; Schäffer, C. G.

Quasi-analytic synthesis of non-recursive optical delay line filters for optimal compensation of dispersion effects

accepted for publication in Journal of Lightwave Technology

  • Schäffer, C. G.

Microwave Photonics – Fundamentals and Applications

BRAWO Conference, Ericsson AB, 2005, Mölndal, Schweden


2004

  • Duthel, T. ; Michael, F. ; Otto, M. ; González Insua, I. ; , Schäffer, C. G.

Properties of optical delay-line filters for group delay dispersion compensation

5. ITG-Fachtagung „Photonische Netze“, pp. 25 – 28, Mai 2004

  • Schäffer, C. G.

Radio over Fiber techniques for applications in cellular radio networks

Corning Glass Works, Corning, USA, 4.6.2004

  • Schäffer, C. G. ; González Insua, I. ; Kojucharow, K.

Optical Generation of Microwave Signals based on an unbalanced Fiber Loop Mirror

IEEE MTT-S International Microwave Symposium, TU6C_3, Fort Worth, USA, 6.-11.6.2004

DOI     https://doi.org/10.1109/MWSYM.2004.1335871

  • Schubert, M. ; Michael, F. ; Otto, M. ; Schäffer, C. G.

Teilvorhaben: Adaptive Dispersionskompensation

Statusseminar des BMBF-Förderschwerpunktes MultiTeraNet, 8.-9.7.2004

  • Duthel, T. ; Jansen, S. L. ; Otto, M. ; Krummrich, P. M. ; Schäffer, C. G.

Tunable all-fibre delay line filter for residual dispersion compensation in 40 Gbit/s systems

Electronics Letters ,Vol. 40 , No. 20, 30 Sept. 2004, pp. 1291 – 1292

DOI     https://ieeexplore.ieee.org/document/1342163

  • Schade, U. ; Holldack, K. ; Staats, G.

THz Scanning Near-field Microspectroscopy Employing Synchrotron Radiation

2004 Joint 29th International Conference on Infrared and Millimeter Waves and 12th International Conference on Terahertz Electronics Karlsruhe, September 2004, S.733-734

  • Schäffer, C. G. ; González Insua, I. ; Kojucharow, K.

Optical Generation of Microwave Signals with ASE

International Topical Meeting on Microwave Photonics (MWP’04), Qgunquit, USA, 4.-6.10.2004

DOI     https://doi.org/10.1109/MWP.2004.1396835

  • Kojucharow, K. ; Schäffer, C. G.

Radio over Fiber: Current Status and Future Trends

RadioTec, Berlin, 5.-6.10.2004

  • Duthel, T. ; Otto, M. ; Schäffer, C. G.

Simple Tunable All-Fiber Delay Line Filter for Dispersion Compensation

Photonics Technology Letters, IEEE, Vol. 16, No. 10, October 2004, pp. 2287 – 2289

DOI     https://doi.org/10.1109/LPT.2004.834555

  • Schäffer, C. G.

Applications of Slanted Fiber Gratings

Colloq. Micro- and Nanotechnology, 9.11.2004, Chalmers University MC2, Göteborg, Schweden


2003

  • Schäffer, C. G.

Simulation of HfR for Access Systems

4th Korea-Japan Workshop on Microwave and Millimeter-Wave Photonics, 23-24.1.2003, Daejeon, Korea

  • Schäffer, C. G.

Modellierung und Realisierung von modernen Glasfaserkomponenten

30.04.2003, Universität Duisburg

  • Duthel, T. ; Schäffer, C. G.

Fiber-Optical Finite Impulse Response Filter

International Students and Young Scientists Workshop Photonics and Microsystems, 12.-15.06.2003, Wroclaw, Polen

  • Schäffer, C. G. ; Otto, M. ; Chen, X.

HOM (higher order mode) dispersion compensator

International Students and YoungScientists Workshop Photonics and Microsystems, 12.-15.06.2003, Wroclaw, Polen

  • Schäffer, C. G.

Trends in der optischen Übertragungstechnik

Mitteldeutscher Rundfunk, 16.09.2003, Leipzig

  • Schäffer, C. G.

Comparison of Techniques for Optical Processing for Microwave Signals

3rd European NEFERTITI Workshop, 8.-9.9.2003, Budapest, Ungarn

  • Schäffer, C. G. ; Otto, M. ; Chen, X.

Demonstration of an efficient technique for optical generation of microwave signals based on a fiber loop mirror

International Topical Meeting on Microwave Photonics (MWP’03), Budapest, Hungary, 10.-12.9.2003

  • Otto, M. ; González Insua, I. ; Duthel, T. ; Michael, F. ; Schäffer, C. G.

Fiber optical structure for tunable dispersion compensation using cascaded longperiod gratings

OSA Topical Meeting on Bragg Gratings Photosensitivity and Poling in Glass Waveguides, September 1-3, 2003, Monterey, California, USA

  • Otto, M. ; González Insua, I. ; Duthel, T. ; Michael, F. ; Schäffer, C. G.

Fiber Optical Tunable Dispersion Compensator based on cascaded Long Period Gratings

European Conference on Optical Communication (ECOC’03), 21.-25.9.03, Rimini, Italien

  • Schäffer, C. G. (Organizer)

Workshop WS10: Microwave-Photonics

European Microwave Conference, 6.-10.10.2003, München

  • Schäffer, C. G.

Hybrid-fiber-radio for broadband access networks

WS 10, European Microwave Conference, 6.-10.10.2003, München


2002

  • Peupelmann, J. ; Krause, E. ; Bandemer, A. ; Schäffer, C. G.

Fibre-Polarimeter based on novel grating taps

Electronics Letters, Vol. 38, no.21, pp. 1248-1250, 2002

  • Schäffer, C. G.

Hybrid Fiber Radio for Broadband wireless systems

SMWP02, Göteburg, Schweden, 27.-29.5.2002

  • Schäffer, C. G.

Microwave Photonics, state of the art and current trends

EEEfCOM, Ulm, 19.-20.6.2002

  • Schäffer, C. G.

Broadband Hybrid Fibre-Radio

1st European NEFERTITI Workshop.“, Duisburg, 3.-5.9.2002

  • Peupelmann, J. ; Krause, E. ; Bandemer, A. ; Schäffer, C. G.

One MHz-High Speed Fiber-Inline-Polarimeter

European Conference on Optical Communication (ECOC’02), Tu-D2.4, Kopenhagen, 9.-12.9.2002

DOI     http://ieeexplore.ieee.org/document/1601341/

  • Lebid, S. ; Gutmann, T. ; Habel, W. ; Peupelmann, J. ; Schäffer, C. G.

Influence of Perturbing Effects on Composite-embedded Fibre Bragg Grating Signals

Wissenschaftliche Berichte Mikrosystem- und Sensortechnik, IWKM 2002

  • Otto, M. ; Michael, F. ; Duthel, T. ; Schäffer, C. G.

Flexible Manufacturing Method for Long-Period Fibre Gratings with arbitrary Index odulation Profiles

WFOPC 2002, Glasgow, UK

  • Schäffer, C. G.

Hybrid Fiber Radio for Broadband Wireless Access Systems

1st European TITAN Workshop, Politechnico di Torino, Italien, 27.-28.11.2002


2001

  • Otto, M. ; Sauer, M. ; Michael, F. ; Schäffer, C. G.

Faser-Bragg-Gitter-Komponenten für moderne optische Netze

2. ITG-Fachtagung Photonische Netze, Dresden, 12.-13. März 2001

  • Sauer, M. ; Kojucharow, K. ; Kaluzni, H. ; Schäffer, C. G.

Millimeterwave Signal Properties Resulting from Elektro-Optical Upconversion

IEEE Trans. Microwave Theory Tech., vol. 49, pp. 1977-1985, October 2001

DOI    http://doi.org/10.1109/22.954817

  • Schäffer, C. G

Optische Übertragungssysteme mit Tbit/s Übertragungskapazität

10 Jahre Fachhochschule Stralsund, 18. October 2001

  • Michael, F. ; Schäffer, C. G.

Kompakte Allfaser-Dispersionskompensatoren

DFG-Kolloqium Optische Übermittlungsverfahren in der Informationstechnik, Darmstadt, 5.-6. November 2001

  • Michael, F. ; Schäffer, C. G.

Modellierung von Allfaser-Dispersionskompensatoren

ITG-Workshop  Modellierung photonischer Komponenten und Systeme, Stuttgart, 9.-10. November 2001

Dissertationen & Habilitationen

  •  Lengyel, Tamás

Multilevel Modulation and Transmission in VCSEL-based Short-range Fiber Optic Links

Dissertation: Department of Microtechnology and Nanoscience (MC2), Chalmers University of Technology, Göteborg,
Friday, April 26, 2019

Main supervisor : Prof. Magnus Karlsson

Grading committee members: Professor Christian Schaeffer, Helmut-Schmidt-University, Hamburg , Associate Professor Jiajia Chen, KTH Royal Institute of Technology , Senior Scientist Per-Olof Hedekvist, SP/Rise

DOI     https://research.chalmers.se/en/publication/509613

  • Lu, Xiaofeng

Advanced Modulations of Optical Interconnections for Mega-Datacenters

Dissertation: Department of Photonics Engineering, Technical University of Denmark, 28.06.2018

Prof. Michael Galili (DTU Fotonik) ,  Prof. Christian G. Schäffer (HSU Hamburg, Germany) , Prof. Magnus Karlsson (Chalmers University of Technology, Sweden)

DOI     http://orbit.dtu.dk/en/publications.html

  • Gäde, Sebastian

Theoretische und experimentelle Untersuchungen zu Signalisierungs- und Überwachungsverfahren für faseroptische Netze der nächsten Generation

Dissertation: Fakultät ET, HSU Hamburg / UniBwH, 26.01.2018

Erstgutachter: Schäffer, Christian G. (HSU Hamburg) , Zweitgutachter: Brinkmeyer, E. (TUHH)

ISBN 978-3-8440-6166-6

  • Dr.-Ing. Leibrich, Jochen

Digitale Modulationsverfahren und Signalverarbeitungsalgorithmen für flexible optische Datenübertragung

Technischen Fakultaet der Christian-Albrechts-Universitaet zu Kiel

Habilitationsverfahren abgeschlossen Januar 2017

ISBN 978-3-8440-6295-3

  • Schwarz, Stefan

Seriell-parallele FIR-Filterstrukturen für die optische Signalverarbeitung in hochbitratigen Übertragungssystemen

Dissertation: Fakultät ET, HSU Hamburg / UniBwH, 09.06.2016

Erstgutachter: Schäffer, Christian G. ( HSU Hamburg) , Zweitgutachter: Rosenkranz, W. (CAU Kiel)

DOI     http://edoc.sub.uni-hamburg.de/hsu/frontdoor.php?source_opus=3137&la=de

  • Schuster, Tobias

Entwurf und experimentelle Untersuchung eines faseroptischen Oberflächenplasmonenresonanz-Sensors

Dissertation: TU Dresden, Institut für Nachrichtentechnik, 13.04.2016

Prof. Dr.-Ing. C.G. Schäffer ( HSU Hamburg) , Prof. Dr. rer. nat. et Ing. habil. Fischer-Hirchert (Fachhochschule Harz)

DOI     http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-203235

 

PhD Tobias Schuster – Kurzfassung

 

  • Ye, Feihong

High-Capacity Multi-Core Fibers for Space-Division Multiplexing

Dissertation: Department of Photonics Engineering, Technical University Denmark, 15.03.2016

Prof. Karsten Rottwitt (DTU Fotonik) , Prof. Hans Georg Limberger (EPFL , Schweiz) , Prof. Christian G. Schäffer (HSU Hamburg, Germany)

DOI     http://orbit.dtu.dk/en/publications/highcapacity-multicore-fibers-for-spacedivision-multiplexing.html

  • Dr.-Ing. Engelbrecht, Rainer

Nichtlineare Faseroptik

Lehrstuhl für Hochfrequenztechnik an der Technischen Fakultät der Friedrich Alexander Universität Erlangen, Prof. Dr.-Ing. B. Schmauss

Habilitationsverfahren abgeschlossen Juni 2015

ISBN 978-3-642-40967-7

  • Hoyningen-Huene, Johannes von

Experimental Investigations of Digital Signal Processing in Optical Access Networks

Dissertation Technischen Fakultaet der Christian-Albrechts-Universitaet zu Kiel, 25.09.2015

Erstgutachter: Rosenkranz, W. (CAU Kiel) , Zweitgutachter: Schäffer, Christian G. (HSU Hamburg)

ISBN 978-3-8440-4015-9

  • Borkowski, Robert

Enabling Technologies for Cognitive Optical Networks

Dissertation: DTU Fotonik, Department of Photonics Engineering, Denmark, 20.05.2014

Schäffer, Christian G. (HSU Hamburg) ; Rosenkranz, W. (CAU Kiel) ; Tafur Monroy, Idelfonso (DTU Fotonik, Dänemark)

DOI     https://doi.org/10.11581/DTU:00000007

  • Rahim, Abdul

Silicon Micro-photonic Implementation of Parallel-Serial Filter to Compensate Residual Dispersion in Optical Communication Systems

Dissertation: Hochfrequenztechnik-Photonik, TU Berlin, 12.05.2014

Prof. Dr.-Ing. Petermann, K. ; Dr.-Ing. Zimmermann, Lars ; Prof. Dr.-Ing. Schäffer, Christian G. (HSU Hamburg)

DOI     http://dx.doi.org/10.14279/depositonce-4247

  • Herschel, Reinhold

Concepts and Devices for Coherent Radio-over-Fiber Systems in the Millimeter Wave Frequencies

Dissertation Fakultät ET, HSU Hamburg / UniBwH, 20.03.2014

Erstgutachter: Schäffer, Christian G. (HSU Hamburg) , Zweitgutachter: Tafur Monroy, Idelfonso (DTU Fotonik, Dänemark)

ISBN 978-3-8007-3623-2

  • Haas, Michael

Theoretische und experimentelle Untersuchungen zur Realisierung eines Performance-Monitoring-Systems basierend auf der frequenzaufgelösten Messung der Stokes-Parameter modulierter optischer Signale

Dissertation: TU Dresden, Institut für Nachrichtentechnik, 16.12.2013

Prof. Dr.-Ing. C.G. Schäffer (HSU Hamburg) ; Prof. Dr.-Ing. P. Meißner (TU Darmstadt) ; Prof. Dr.-Ing. D. Plettemeier (TUD) ; Jun.-Prof. Dr.-Ing. K. Jamshidi (TUD)

ISBN  978-3-938860-73-1

DOI     https://www.vogtverlag.de/buecher/9783938860731_Inhaltsverzeichnis.pdf

  • Lebedev, Alexander

Architectures for radio over fiber transmission of high-quality video and data signals

Dissertation: Photonics Engineering, Technical University of Denmark, 24.10.2013

Associate Professor Darko Zibar (DTU Fotonik) ; Dr. Ole Riis Diener (Xerox) , Prof. Dr.-Ing. C.G. Schäffer (HSU Hamburg)

DOI     http://orbit.dtu.dk/files/65997488/final_Thesis_Lebedev_v2.pdf

  • Lins, Bastian

Laserdiodenspektroskopie zum selektiven Nachweis von Spurengasen

Dissertation: Technischen Fakultät der Friedrich Alexander Universität Erlangen, 07.09.2012

Prof. Dr.-Ing. B. Schmauss ; Prof. Dr.-Ing. C.G. Schäffer (HSU Hamburg)

ISBN 978-3-8440-1380-1

  • Geyer, Jonas Christian

Effiziente Echtzeitfähige Algorithmen zur Implementierung kohärenter optischer Empfänger

Dissertation: Technischen Fakultät der Friedrich Alexander Universität Erlangen, 17.12.2011

Prof. Dr.-Ing. B. Schmauss ; Dr.-Ing. T. Duthel

ISBN 978-3-8322-9979-8

  • Neumann, Niels

Signal processing with optical delay line filters for high bit rate transmission systems

Dissertation: TU Dresden, Institut für Nachrichtentechnik, 06.12.2010

Prof. Dr.-Ing. habil. Dipl.-Math. K. Röbenack (TUD) ; Prof. Dr.-Ing. C.G. Schäffer (HSU Hamburg) ; Prof. Dr.-Ing. B. Schmauß (Friedrich-Alexander-Universität Erlangen-Nürnberg) ; Prof. Dr.-Ing. habil. R. Hoffmann (TUD) ; Prof. Dr.-Ing. habil. W. Schwarz (TUD)

ISBN 978-3-9388-6043-4

DOI     https://d-nb.info/1019001143/34

  • Fritzsche, Daniel

Simulation und experimentelle Untersuchung von optischen und elektronischen Entzerrern in hochbitratigen optischen Übertragungssystemen

Dissertation: TU Dresden, Institut für Nachrichtentechnik, 14.07.2010

Prof. Dr.-Ing. habil. J. Czarske (TUD) ; Prof. Dr.-Ing. C. G. Schäffer (HSU Hamburg) ; Prof. Dr.-Ing. B. Schmauß (Friedrich-Alexander-Universität Erlangen-Nürnberg) ; Prof. Dr.-Ing. habil. A. Finger (TUD)

DOI     https://d-nb.info/100966929X/34

  • Gonzalez Insua, Ignacio

Optical Generation of mm-wave Signals for use in Broadband Radio over Fiber Systems

Dissertation: TU Dresden, Institut für Nachrichtentechnik, 04.02.2010

Prof. Dr.-Ing. C. G. Schäffer (HSU Hamburg) ; Prof. Dr. rer. nat. habil. D. Jäger (Universität Duisburg-Essen) ; apl. Doz. Dr.-Ing. habil. H.-J. Thierfelder (TUD)

DOI     http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-61253

  • Klukas, Ralf

Experimentelle Bestimmung der dielektrischen Eigenschaften von Niederdruck-Plasmen in einer koaxialen Messleitung

Dissertation: TU Dresden, Institut für Nachrichtentechnik, 04.08.2008

Prof. Dr.-Ing. C. G. Schäffer ; Prof. Dr. rer. nat. Schultheiß (TUD) ; Prof. Dr. rer. nat. habil. Kruscha (Fachhochschule Lausitz)

  • Otto, Michael

Beiträge zur Dispersionskompensation basierend auf der Modenkompensation basierend auf der Modenkonversion in höhere Moden und der Ausbreitung dieser Moden in Lichtwellenleitern

Dissertation: TU Dresden, Institut für Nachrichtentechnik, 05.04.2007

Prof. Dr.-Ing. C. G. Schäffer ; Prof. em. Dr.-Ing. habil. W. Nowak ; Prof. Dr.-Ing. E. Brinkmeyer

  • Duthel, Thomas

Untersuchung und Herstellung faseroptischer Delay-Line-Filter zur Dispersionskompensation in optischen Übertragungssystemen

Dissertation: TU Dresden, Institut für Nachrichtentechnik, 02.09.2005

Prof. Dr.-Ing. C. G. Schäffer ; Prof. em. Dr.-Ing. habil. W. Nowak ; Prof. Dr.-Ing. B. Enning

  • Staats, Gerald

SDMA – fähige Basisstationsantennen

Dissertation: TU Dresden, Institut für Nachrichtentechnik, 24.05.2005

Prof. Dr.-Ing. C. G. Schäffer ; Prof. Dr.-Ing. habil. G. Mönich (TU Berlin) ; Dr.-Ing. D. Heberling (IMST)

  • Peupelmann, Jens

Experimentelle Untersuchungen zur Realisierung eines Inline-Faser-Polarimeters basierend auf UV-induzierten Strukturen

Dissertation: TU Dresden, Institut für Nachrichtentechnik, 21.09.2004

Prof. Dr.-Ing. C. G. Schäffer ; Prof. em. Dr.-Ing. habil. W. Nowak ; Dr.-Ing. A. Bandemer

  • Solomija, Lebid

Perturbations in behaviour of fibre Bragg grating sonsors introduced by local thermal and mechanical influences

Dissertation: TU Dresden, Institut für Nachrichtentechnik, 18.06.2003

Prof. Dr.-Ing. C. G. Schäffer ; Prof. Dr.-Ing. Bobitski ; Prof. Dr.-Ing. Daum

  • Kojucharow, Konstantin

Millimetre Wave Signal Properties Generated by Electro-Optical Upconversion Techniques for a High Capacity Communications System

Dissertation: TU Dresden, Institut für Nachrichtentechnik, 29.01.2002

Prof. Dr.-Ing. C. G. Schäffer ; Prof. em. Dr.-Ing. habil. W. Nowak ; Dr.-Ing. G. Großkopf (HHI Berlin)

  • Baumann, Ingolf

Dimensionierung und Herstellung von Add-Drop-Multiplexern als faseroptische Bauelemente auf der Grundlage von Faser-Bragg-Gittern

Dissertation: TU Dresden, Institut für Nachrichtentechnik, 30.10.2001

Prof. Dr.-Ing. C. G. Schäffer ; Prof. em. Dr.-Ing. habil. W. Nowak ; Dr.-Ing. J. Vobian (Mühltal Hess Darmstadt)

  • Zimmermann, Sven

Umgebungsangepasstes Design der Abstrahlcharakteristik von Antennen für ein Breitban-Mobilfunksystem im Millimeterwellenbereich

Dissertation: TU Dresden, Institut für Nachrichtentechnik, 14.03.2001

Prof. Dr.-Ing. C. G. Schäffer ; Prof. em. Dr.-Ing. habil. W. Nowak ; Prof. Dr.-Ing. P. Edenhofer (Ruhr Universität Bochum)

  • Sauer, Michael

Elektro-optische Aufwärtskonversion zur Erzeugung von Millimeterwellen-Signalen

Dissertation: TU Dresden, Institut für Nachrichtentechnik, 22.12.2000

Prof. Dr.-Ing. C. G. Schäffer ; Prof. em. Dr.-Ing. habil. W. Nowak ; Prof. Dr. rer. nat. D. Jäger (Universität Duisburg)

HSU

Letzte Änderung: 26. November 2018