a) Publications with project results

V. Herath, R. Peveling, T. Pfau, O. Adamczyk, S. Hoffmann, C. Wördehoff, M. Porrmann, R. Noé, Chipset for a Coherent Polarization-Multiplexed QPSK Receiver, Proc. OFC/NFOEC 2009, March 22-26, 2009, OThE2, San Diego, CA, USA

S. Hoffmann, R. Peveling, T. Pfau, O. Adamczyk, R. Eickhoff, R. Noé, Multiplier-free Realtime Phase Tracking for Coherent QPSK Receivers, IEEE Photonics Technology Letters, Digital Object Identifier: 10.1109/LPT.2008.2009228

Mohamed El-Darawy, Timo Pfau, Sebastian Hoffmann, Ralf Peveling, Christian Wördehoff, Benjamin Koch, Mario Porrmann, Olaf Adamczyk and Reinhold Noé, "Fast Adaptive Polarization and PDL Tracking in a Real-Time FPGA-Based Coherent PolDM-QPSK Receiver" Photonics Technology Letters, IEEE Volume 20, Issue 21, Nov.1, 2008 Page(s): 1796 - 1798 Digital Object Identifier 10.1109/LPT.2008.2004685.

M. El-Darawy, T. Pfau, C. Wördehoff, B. Koch, S. Hoffmann, R.Peveling, M Porrmann, R. Noé, Realtime 40 krad/s Polarization Tracking with 6 dB PDL in Digital Synchronous Polarization-Multiplexed QPSK Receiver, in Proc. ECOC 2008, We.3.E.4, 21-25 Sept., 2008, Brussels, Belgium.

Hoffmann, S.; Bhandare, S.; Pfau, T.; Adamczyk, O.; Wördehoff, C.; Peveling, R.; Porrmann, M.; Noé, R., Frequency and Phase Estimation for Coherent QPSK Transmission With Unlocked DFB Lasers, Technology Letters, IEEE Volume 20, Issue 18, Sept.15, 2008 Page(s):1569 - 1571 Digital Object Identifier 10.1109/LPT.2008.928846

O. Adamczyk and R. Noé, 13 Gsamples/s 5-bit analogue-to-digital converter for coherent optical QPSK receiver, Electronics Letters, vol. 44, pp.895-896, 2008

O. Adamczyk and R. Noé, 5-bit 12.5 Gsamples/s Analog-to-Digital Converter for a Digital Receiver in a Synchronous Optical QPSK Transmission System, in Proc. IEEE-LEOS Summer Topicals 2008, TuC3.2, ISBN: 978-1-4244-1926-5, July 21-23, 2008, Acapulco, Mexico

S. Hoffmann, T. Pfau, O. Adamczyk, C. Wördehoff, R. Peveling, M. Porrmann, R. Noé, S. Bhandare, Frequency Estimation and Compensation for Coherent QPSK Transmission with DFB Lasers, in Proc. OSA Topical Meeting Coherent Optical Technologies and Applications (COTA), July 13-16, 2008, CWB4, Boston, MA, USA

T. Pfau, Ch. Wördehoff, R. Peveling, S.K. Ibrahim, S. Hoffmann, O. Adamczyk, S. Bhandare, M. Porrmann, R. Noé, A. Koslovsky, Y. Achiam, D. Schlieder, N. Grossard, J. Hauden, H. Porte, Ultra-Fast Adaptive Digital Polarization Control in a Realtime Coherent Polarization-Multiplexed QPSK Receiver, in Proc. OFC/NFOEC 2008, Feb. 24-28, 2008, OTuM3, San Diego, CA, USA

T. Pfau, S. Hoffmann, O. Adamczyk, R. Peveling, V. Herath, M. Porrmann, R. Noé, Coherent optical communication: Towards realtime systems at 40 Gbit/s and beyond, Opt. Express, Vol. 16, 866-872 (2008), http://www.opticsinfobase.org/abstract.cfm?URI=oe-16-2-866

T. Pfau, R. Peveling, F. Samson, J. Romoth, S. Hoffmann, S. Bhandare, S. Ibrahim, D. Sandel, O. Adamczyk, M. Porrmann, R. Noé, J. Hauden, N. Grossard, H. Porte, D. Schlieder, A. Koslovsky, Y. Benarush, Y. Achiam, Polarization-Multiplexed 2.8 Gbit/s Synchronous QPSK Transmission with Real-Time Digital Polarization Tracking , (ECOC07), Berlin, Germany, September 16-20, 2007

R. Noé, T. Pfau, O. Adamczyk, R. Peveling, V. Herath, S. Hoffmann, M. Porrmann, S. K. Ibrahim, S. Bhandare, Real-Time Digital Carrier & Data Recovery for a Synchronous Optical Quadrature Phase Shift Keying Transmission System , Proc. IMS2007, TH2E-01 (invited), June 3-8, 2007, Honolulu, HI, USA.

T. Pfau, S. Hoffmann, R. Peveling, S. Bhandare, O. Adamczyk, M. Porrmann, R. Noé, Y. Achiam, 1.6 Gbit/s Real-Time Synchronous QPSK Transmission with Standard DFB Lasers, Proc. 32nd European Conference on Optical Communication (ECOC 2006), Cannes, France, 24-28 September 2006, Mo4.2.6

T. Pfau, S. Hoffmann, R. Peveling, S. Ibrahim, O. Adamczyk, M. Porrmann, S. Bhandare, R. Noé, Y. Achiam, Synchronous QPSK Transmission at 1.6 Gbit/s with Standard DFB Lasers and Real-time Digital Receiver , Electronics Letters, vol. 18, Sept. 2006, pp.1175-1176

T. Pfau, S. Hoffmann, R. Peveling, S. Bhandare, S. K. Ibrahim, O. Adamczyk, M. Porrmann, R. Noé, Y. Achiam, First Real-Time Data Recovery for Synchronous QPSK Transmission with Standard DFB Lasers , IEEE Photonics Technology Letters, vol. 18, 2006, pp. 1907-1909

R. Noé, T. Pfau, Synchronous Demodulation of Optical Phase Shift Keying in Coherent Systems with DFB Lasers, Proc. Frontiers in Optics 2006, the 90th OSA Annual Meeting, Rochester, October 8-12, 2006, FMF3 (invited).

R. Noé, T. Pfau, Y. Achiam, F.-J. Tegude, H. Porte, Integrated Components for Optical QPSK Transmission, Proc. Frontiers in Optics 2006, the 90th OSA Annual Meeting, Rochester, October 8-12, 2006, FMF4.

P. Cho, G. Harston, A. Greenblatt, A. Kaplan, Y. Achiam, R. Bertenburg, A. Brennemann, B. Adoram, P. Goldgeier, A. Hershkovits, Integrated Optical Coherent Balanced Receiver , CThB2, Coherent Optical Technologies and Applications (COTA) Topical Meeting, OSA, Whistler, BC, Canada, June 28-30, 2006.

R. Noé, U. Rückert, Y. Achiam, F. J. Tegude, H. Porte, European "synQPSK" Project: Toward Synchronous Optical Quadrature Phase Shift Keying with DFB Lasers , invited paper CThC4, Coherent Optical Technologies and Applications (COTA) Topical Meeting, OSA, Whistler, BC, Canada, June 28-30, 2006.

T. Pfau, S. Hoffmann, R. Peveling, S. Bhandare, S. Ibrahim, O. Adamczyk, M. Porrmann, R. Noé, Y. Achiam: Real-time Synchronous QPSK Transmission with Standard DFB Lasers and Digital I&Q Receiver , Proc. OAA/COTA2006, CThC5, June 25-30, 2006, Whistler, Canada.

S. Hoffmann, T. Pfau, O. Adamczyk, R. Peveling, M. Porrmann, R. Noé, Hardware-Efficient and Phase Noise Tolerant Digital Synchronous QPSK Receiver Concept , CThC6, Coherent Optical Technologies and Applications (COTA) Topical Meeting, OSA, Whistler, BC, Canada, June 28-30, 2006.

Contribution to "Optical technologies", VDI Technologiezentrum GmbH, www.kompetenznetze.de, June 2005,

Poster presented in Commission premises in Brussels 12-14 April 2005 during photonics exhibition of VDI [The Association of German Engineers]

Overview about synQPSK, given at Photonics Europe 2004

b) Publications relevant for the project

R. Noé, PLL-Free Synchronous QPSK Polarization Multiplex/Diversity Receiver Concept with Digital I&Q Baseband Processing, IEEE Photon. Technol. Lett., Vol. 17, 2005, pp. 887-889

R. Noé, Phase Noise Tolerant Synchronous QPSK/BPSK Baseband-Type Intradyne Receiver Concept with Feedforward Carrier Recovery, IEEE J. Lightwave Technology, Vol. 23, 2005, pp. 802-808

R. Noé, Phase noise tolerant synchronous QPSK receiver concept with digital I&Q baseband processing, Ninth Optoelectronics and Communications Conference/Third International Conference on Optical Internet (OECC/COIN2004), 16C2-5, Yokohama, Japan, July

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