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Home | Innovation | Publications

Publications

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Topic Category Title Author Abstract Conference / Magazine Publishing Year
Optical Receivers Paper 40 Gbit/s DPSK Receiver Module for C+L Band with Athermal Free-Space Delay-Line-Interferometer A. G. Steffan, M. L. Nielsen, A. Umbach, A. Boutin, L. Fulop and F. Verluise

We present a hybrid integrated 40 Gbit/s DPSK receiver module with athermal free-space delay-line-interferometer (DLI) as well...

SPIE Digital Library 2010
Optical Receivers Conference contribution Novel Integrated Coherent Receiver Module for 100G Serial Transmission A. Matiss, R. Ludwig, J.-K. Fischer, L. Molle, C. Schubert, C.C. Leonhardt, H.-G. Bach, R. Kunkel, A. Umbach

A novel coherent receiver module is presented, comprising two optical 90°-hybrids monolithically integrated with eight...

OFC 2010 2010
Optical Receivers Invited paper Novel integrated coherent receiver module for 100G serial transmission Andreas Matiss, Stefano Bottacchi, Johannes Karl Fischer, Reinhold Ludwig, Christoph Clemens Leonhardt, Carsten Schmidt-Langhorst... JLT Special Issue 2010
Microwave Photonics Paper Millimeter-Wave Photonic Components for Broadband Wireless Systems Andreas Stöhr, Paul Cannard, Benoît Charbonnier, Frédéric van Dijk, Sascha Fedderwitz, Dave Moodie, Leon Pavlovic, Lalitha...

We report on advanced millimeter-wave (mm-wave) photonic components for broadband radio transmission. We have developed self-...

IEEE Transactions on Microwave Theory and Techniques 2010
Joint Research Project Conference contribution InP-basierte elektrische und elektro-optische Komponenten für 112 Gbit/s OOK Systeme C. Schubert, R. E. Makon, A. G. Steffan, R. Driad, H.-G. Bach, G.G. Mekonnen, R. Zhang, R. Ludwig, C. Schmidt-Langhorst

The development of transmission technology for 100G long-haul transmission systems is mainly concentrated on systems with low...

11. ITG-Fachtagung "Photonische Netze" (VDE-Verlag) 2010
Optical Receivers Conference contribution Digital Coherent Receiver Based on Parallel Optical Sampling J. K. Fischer, R. Ludwig, L. Molle, C. Schmidt-Langhorst, C. C. Leonhardt, A. Matiss, C. Schubert

We propose a coherent receiver scheme exploiting optical sampling to overcome the speed limitations of electronic analog-to-...

ECOC 2010 2010
Optical Receivers Postdeadline conference contribution High-Speed Digital Coherent Receiver Based on Parallel Optical Sampling J. K. Fischer, R. Ludwig, L. Molle, C. Schmidt-Langhorst, A. Galperin, T. Richter, C. C. Leonhardt, A. Matiss, and C. Schubert

Optical parallel processing enables electronic dispersion compensation in coherent receivers at symbol rates above the...

OFC 2010 2010
Optical Receivers Invited paper High-Speed Digital Coherent Receiver Based on Parallel Optical Sampling Johannes Karl Fischer, Reinhold Ludwig, Lutz Molle, Carsten Schmidt-Langhorst, Christoph Clemens Leonhardt, Andreas Matiss, Colja...

We report a novel digital coherent receiver based on sampling the signal in the optical domain to overcome the speed...

JLT Special Issue 2010
Joint Research Project Conference contribution 100 Gb/s Complete ETDM System Based on Monolithically Integrated Transmitter and Receiver Modules K. Wang, J. Li, A. Djupsjöbacka, M. Chacinski, U. Westergren, S. Popov, G. Jacobsen, V. Hurm, R. E. Makon, R. Driad, H. Walcher,...

A complete ETDM system based on monolithically integrated transmitter and receiver modules was demonstrated with BER...

OFC 2010 2010
Optical Transmitter Paper ETDM Transmitter Module for 100-Gb/s Ethernet Marek Chacinski, Urban Westergren, Lars Thylén, Björn Stoltz, Josef Rosenzweig, Rachid Driad,Robert E. Makon, Jie Li and Andreas...

Performance of a packaged distributed-feedback travelling-wave electroabsorption modulator module for data transmission at 100...

IEEE Photonics Technoloy Letters 2010
Optical Receivers Conference contribution Integrated Receivers on SOI for PSK Modulation Formats Marcel Kroh, Lars Zimmermann, Hans-G. Bach, Mads Nielsen, Jürgen Bruns, Günter Unterbörsch

Phase coded modulation formats require the
deployment of more complex receiver configurations. Waveguide
...

15. ECIO 2010
Optical Receivers Conference contribution Method for Measuring Conversion Gain Response and O/E Bandwidth of Integrated D(Q)PSK Receivers Mads L. Nielsen, Andreas G. Steffan, and Marcel Kroh

A method for recovering the O/E frequency response of D(Q)PSK receivers with integrated delay-line interferometers (DLIs) is...

Proc. OFC 2010 2010
Optical Receivers Conference contribution Small Form Factor Dual Balanced Photoreceiver with Sensitive Peak-level Detectors for 40 Gb/s DQPSK Applications Mads Nielsen (u2t Photonics AG, Germany); Jörg Honecker (u2t Photonics AG, Germany); Alexander Jacob (u2t Photonics AG, Germany...

Small form-factor dual-balanced receiver for 40G DQPSK applications with 60% reduced footprint compared to deployed solutions...

ECOC 2010 2010
Optical Receivers Conference contribution Performance of a Novel Integrated Coherent Receiver Module for 100G Ethernet Applications and Beyond R. Ludwig, J. K. Fischer, A. Matiss, L. Molle, C. C. Leonhardt, H.-G. Bach, R. Kunkel, A. Umbach, C. Schubert

The performance of a novel coherent receiver module, comprising two optical 90°-hybrids monolithically integrated with...

ECOC 2010 2010
Optical Receivers Invited paper Advanced Photoreceivers for High-Speed Optical Fiber Transmission Systems S. Bottacchi, A. Beling, A. Matiss, M. L. Nielsen, A. Steffan, G. Unterbörsch, A. Umbach

The increasing demand for higher transmission capacity over the existing optical fiber infrastructures raises the interest in...

JSTQE 2010
Microwave Photonics Conference contribution Continuous-Wave Photonic THz-Transmitter Modules employing Antenna-Integrated 1.55µm Waveguide-Photodetectors V. Rymanov, S. Babiel, M. Weiss, A. G. Steffan, S. Fedderwitz, L. Pavlovic, L. Naglic, A. Stoehr, and D. Jaeger International Forum on Terahertz Spectroscopy and Imaging, Kaiserslautern, Germany 2010
Microwave Photonics Paper 60 GHz Radio-over-Fiber Technologies for Broadband Wireless Services A. Stöhr, A. Akrout, R. Buß, B. Charbonnier, F. v. Dijk, A. Enard, A. Fedderwitz, D. Jäger, M. Huchard, F. Lecoche, J. Marti, R....

Some of the work carried out within the European integrated project Integrated Photonic mm-Wave Functions for Broadband...

Journal of Optical Networking 2009
Optical Receivers Conference contribution Investigation of DGD and Delay-Line Interferometer Phase Tolerance of Integrated Receiver Module for 86 Gb/s NRZ-DQPSK modulation M. L. Nielsen, A. G. Steffan, G. Tsianos, G. Unterbörsch, A. Umbach, R. Ludwig, A. Boutin, L. Fulop, F. Verluise

We investigate the performance of a free-space DLI integrated receiver for 43 Gbaud/s NRZ-DQPSK.

The DGD tolerance (...

Proc. ECOC 2009 2009
Optical Receivers Conference contribution Coherent Detection of a 50 Gb/s QPSK Signal Using an InP 90°Hybrid Monolithically Integrated with Balanced Photodetectors R. Ludwig, A. Matiss, H.-G. Bach, L. Molle, C.C. Leonhardt, R. Kunkel, D. Schmidt

Error-free detection of a single-polarization 50 Gb/s NRZ-QPSK signal using a coherent detector based
on monolithic...

Proc. ECOC 2009 2009
Optical Receivers Conference contribution An Antenna-Integrated Photonic Millimeter-Wave Transmitter V. Rymanov, M. Weiss, A. G. Steffan, S. Fedderwitz, A. Stöhr, D. Jaeger

In this paper, a small-scale antenna-integrated photonic millimeter-wave transmitter based upon a traveling-wave p-i-n...

European workshop on photonic solutions for wireless, access, and in-house networks, Duiburg 2009
Optical Receivers Conference contribution Integrated 40 Gb/s DPSK Receiver Module with Athermal Free-Space Delay-Line-Interferometer A. G. Steffan, M. L. Nielsen, A. Umbach, A. Boutin, L. Fulop and F. Verluise

We present a 40 Gb/s DPSK receiver module with athermal free-space DLI. It offers wideband operation in the C+L band, a FSR of...

Proc. APOC 2009 2009
Optical Receivers Conference contribution 40 Gb/s DPSK Receiver Module with Integrated Free-Space Delay-Line-Interferometer A. G. Steffan, M. L. Nielsen, G. Tsianos, A. Umbach, A. Boutin, L. Fulop and F. Verluise

We present a 40Gb/s DPSK receiver module with athermal free-space DLI. It has a FSR of 43GHz, PDFS of 350MHz and a...

OFC 2009 2009
Microwave Photonics Conference contribution 60GHz Radio System for Optical-Wireless HDTV Networks A. Stöhr, B. Charbonnier, F. van Dijk, S. Fedderwitz, D. Jäger, A. Steffan, A. Umbach, and M. Weiß 10. ITG-Fachtagung "Photonische Netze" (VDE-Verlag) 2009
Joint Research Project Conference contribution Characterization of an InP-Based Electrical 1:2 Demultiplexer in a 107 Gb/s OOK System Colja Schubert, Robert E. Makon, Andreas G. Steffan, Rachid Driad, Reinhold Ludwig, Carsten Schmidt-Langhorst

The system performance of an InP-based electrical demultiplexer within an optically pre-amplified 107 Gb/s OOK receiver is...

OFC 2009 2009
Joint Research Project Conference contribution Demonstration eines InP-basierten elektrischen 1:2 Demultiplexer in einem 107 Gbit/s OOK System C. Schubert, R. E. Makon, A. G. Steffan, R. Driad, R. Ludwig, C. Schmidt-Langhorst

The development of transmission technology for 100 Gigabit/s Ethernet systems is an active field of research worldwide. The...

10. ITG-Fachtagung "Photonische Netze" (VDE-Verlag) 2009
Joint Research Project Conference contribution Monolithic 90°Hybrid with Balanced PIN Photodiodes for 100 Gbit/s PM-QPSK Receiver Applications H.-G. Bach, A. Matiss, C.C. Leonhardt, R. Kunkel, D. Schmidt, M. Schell, A. Umbach

 A monolithically integrated InP 90°hybrid with waveguide pin-photodiodes is presented. Stable performance was...

OFC 2009 2009
Optical Receivers Conference contribution Hybrid Integrated 40 Gb/s DPSK Receiver on SOI M. Kroh, G. Unterbörsch, G. Tsianos, R. Ziegler, A.G. Steffan, H.-G. Bach, J. Kreissl, R. Kunkel, G.G. Mekonnen, W. Rehbein, D....

A DPSK receiver using a flip-chip hybrid of InP photodetectors on SOI boards with waveguide delay line interferometer and SOA...

OFC 2009 2009
Microwave Photonics Conference contribution Optical Millimeter-Wave Generation using 1.55μm Photodiodes with and without Integrated Antennas A. Stöhr, C. C. Renaud, D. Moodie, A. G. Steffan, L. Pavlovic, D. Jäger, A. J. Seeds, M. Robertson, A. Umbach, M. Vidmar, M....

We report on optical synthesizer concepts for low phase-noise and high output-power optical millimeter-wave generation up to...

URSI General Assembly Chicago 2008
Microwave Photonics Conference contribution Photonics for broadband radio communications at 60 GHz in access and home networks B. Charbonnier, P. Chanclou, J. L. Corral, G. H. Duan, C. Gonzalez, M. Huchard, D. Jager, F. Lelarge, J. Marti, L. Naglic, L....

In this paper, we analyse and demonstrate the use of photonic functions to fulfill the requirements of 60 GHz broadband radio...

Proc. of MWP2008 2008
Microwave Photonics Conference contribution Highly compact fibre-optic package for 30-300GHz wireless transmitter modules M. Weiß, A. G. Steffan, S. Fedderwitz, G. Tsianos, A. Stöhr, D. Jäger

In this paper, we present a highly-compact fibre-optic package for 30-300 GHz wireless transmitter modules with integrated...

Electronics Systemintegration Technology Conference (ESTC) 2008 2008
Microwave Photonics Conference contribution Ultra-broadband and low phase noise photonic millimeter-wave generation S. Fedderwitz, V. Rymanov, M. Weiss, A. Stöhr, D. Jager, A. G. Steffan and A. Umbach

In this paper, we report on photonic millimeter-wave generation based upon optical heterodyning as well as external modulation...

Microwave Photonics, 2008. Jointly held with the 2008 Asia-Pacific Microwave Photonics Conference. MWP/APMP 2008 2008
Optical Transmitter Conference contribution Linewidth investigation of monolithically integrated 40 GHz mode-locked laser diodes for high-speed RZ-DQPSK transmission B. Huettl , H. Hu, R. Ludwig, R. Kaiser, C. Schmidt-Langhorst, A.G. Steffan, C. Schubert

The linewidth of an improved 40GHz modelocked laser diode is investigated. The influence of its operation parameters on...

Proc. ECOC 2008 2008
Optical Receivers Conference contribution Hybrid Flip-Chip Integration of a 40 Gb/s DPSK Receiver Comprising a Balanced Photodetector on a DLI-SOI Board G. Unterbörsch, M. Kroh, J. Honecker, A.G. Steffan, G. Tsianos, H.-G. Bach, J. Kreissl, R. Kunkel, G.G. Mekonnen, W. Rehbein, D....

A DPSK receiver concept using flipchip hybrid integration of InP photodetectors on SOI boards with optical decoder is...

Proc. ECOC 2008 2008
Optical Receivers Invited conference contribution Photoreceivers from 40 Gbit/s to 100 Gigabit Ethernet A. Umbach

The rapidly increasing bandwidth demand requires deployment of 40 Gbit/s systems and 100 Gigabit Ethernet in the near future....

OFC 2008 2008
Optical Receivers Invited conference contribution Advanced Photoreceivers for 40 and 100 Gbit/s optical communication networks A. Umbach

The rapidly increasing bandwidth demand requires deployment of 40 Gbit/s systems and 100 Gigabit Ethernet in the near future....

APOC 2008 2008
Conference contribution Wideband Photonic Millimeter-Wave Synthesizer Using a High-Power pin Waveguide Photodiode A. Stöhr, M. Weiss, A. Malcoci, A.G. Steffan, D. Trommer, A. Umbach and D. Jäger Proc. EuMC 2007 2007
Conference contribution Ultra-Wideband Photonic Millimeter-Wave Synthesizers with Coaxial (DC-110GHz) and Rectangular Waveguide (70-115GHz) Output Ports M. Weiß, A. Stöhr, A. M. A. G. Steffan, D. Trommer., A. Umbach and D. Jäger Joint Summer School and Workshop ISIS and IPHOBAC, Budapest May 2007 2007
Conference contribution Ultra-Wideband Photonic Millimeter-Wave Synthesizers with Coaxial (DC-110GHz) and Rectangular Waveguide (69-112GHz) Output Ports M. Weiß, A. Stöhr, A. M. A. G. Steffan, D. Trommer., A. Umbach and D. Jäger Proc. ECOC 2007 2007
Microwave Photonics Conference contribution Wideband Photonic Millimeter-Wave Synthesizers with Coaxial (DC-110GHz) and Rectangular Waveguide (70-115GHz) Output Ports M. Weiss, A. Stöhr, A. Malcoci, A.G. Steffan, D. Trommer, A. Umbach and D. Jäger

Two photonic millimeter-wave synthesizers based upon optical heterodyning will be presented. The first synthesizer features a...

Microwave Optical Week 2007 2007
Microwave Photonics Conference contribution Wideband Photonic Millimeter-Wave Synthesizer Using a High-Power pin Waveguide Photodiode A. Stöhr, M. Weiss, A. Malcoci, A.G. Steffan, D. Trommer, A. Umbach, and D. Jäger

We present a frequency-tunable photonic millimeter- wave synthesizer based upon optical heterodyning. The photonic synthesizer...

Proc. EuMC 2007 2007
Joint Research Project Paper Frequency-Offset PLL for Synchronous Optical Sampling of OTDM Signals Erik Benkler, Andreas Steffan and Harald R. Telle

We demonstrate a novel synchronization scheme for optical sampling which is based on a nonstandard phase-locked
loop (...

IEEE Photonics Technology Letter, Volume 19, Issue 5, March1, 2007 Page(s):267 - 269 2007
Microwave Photonics Conference contribution Ultra-Wideband Photonic Millimeter-Wave Synthesizers with Coaxial (DC-110GHz) and Rectangular Waveguide (70-115GHz) Output Ports M. Weiß, A. Stöhr, A. M. A. G. Steffan, D. Trommer., A. Umbach and D. Jäger

Two photonic millimeter-wave synthesizers based upon optical heterodyning will be presented. The first synthesizer features a...

Joint Summer School and Workshop ISIS and IPHOBAC, Budapest May 2007 2007
Microwave Photonics Conference contribution Ultra-Wideband Photonic Millimeter-Wave Synthesizers with Coaxial (DC-110GHz) and Rectangular Waveguide (69-112GHz) Output Ports M. Weiß, A. Stöhr, A. M. A. G. Steffan, D. Trommer., A. Umbach, and D. Jäger

Two photonic millimeter-wave synthesizers based upon optical heterodyning are presented. A photonic synthesizer with coaxial...

ECOC 2007 2007
Optical Receivers Conference contribution Photoreceivers for 100 Gbit/s Applications A. Umbach, G. Unterbörsch, H.-G. Bach, C. Schubert, R.H. Derksen, J.H. Sinsky

Waveguide integrated photodetectors with 100 GHz bandwidth were developed. Different transmission
experiments have...

Leos Summer Topicals 2007
Optical Transmitter Conference contribution 1.55µm Mach-Zehnder Modulators on InP for optical 40/80 Gbit/s transmission networks H. N. Klein, H. Chen, D. Hoffmann, S. Staroske, A. G. Steffan, K.-O. Velthaus

We demonstrate excellent 40 Gbit/s operation of a packaged InP Mach-Zehnder-Modulator with a low rms jitter of 730 fs. A...

Proc. IPRM 200 2006
Optical Transmitter Conference contribution Compact RZ-DPSK Transmitter Applying a PhaseCOMB Laser as Carved Source S. Bauer, H. Ding, J. Kreissl, M. Biletzke, B. Sartorius , L. Molle, C. Caspar, R. Freund, A. Umbach, A. Steffan

A RZ-DPSK transmitter is assembled applying a PhaseCOMB laser as compact and spectrally efficient carved source. System...

Proc. OFC 2006 2006
Optical Receivers Conference contribution Integrated limiting balanced photoreceiver for 43 Gbit/s DPSK transmission A. Umbach, C. Schramm, G. Jacumeit, J.H. Sinsky, A.L. Adamiecki, A. Benz, P. Paschke

A novel limiting balanced photoreceiver comprising a dual photodiode chip and a SiGe based limiting amplifier achieves a 12.9...

ECOC 2005 2005
Optical Transmitter Conference contribution Low noise monolithic 40 GHz mode locked DBR lasers based on GaInAsP/InP B. Huettl, R. Kaiser, W. Rehbein, H. Stolpe, Ch. Kindel, S. Fidorra, A. Steffan, A. Umbach, H. Heidrich

Very short optical pulses (1.2 - 2.0 ps) with low amplitude noise (0.8 - 2.0 %) and low timing jitter (" 250 fs) over 5...

Proc. IPRM 2005 2005
Optical Receivers Invited conference contribution Photonic Integrated Balanced Photoreceivers A. Umbach, A. Beling, C. Schramm, H.-G. Bach, G. Jacumeit

Balanced photodetector and a balanced photoreceiver for applications in 40 Gbit/s DPSK transmission
systems are...

Integrated Photonics Research and Applications (IPRA) San Diego, California April 10, 2005 Integrated Receivers and Sensors (IWD) 2005
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