Real-time Implementation of Digital Coherent Detection

Conference: ECOC 2009 - 35th European Conference on Optical Communication
09/20/2009 - 09/24/2009 at Vienna, Austria

Proceedings: ECOC 2009

Pages: 4Language: englishTyp: PDF

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Noé, R.; Rückert, U.; Hoffmann, S.; Peveling, R.; Pfau, T.; El-Darawy, M.; Al-Bermani, A. (University of Paderborn, EIM-E, Warburger Str. 100, 33098 Paderborn, Germany)

The implementation of algorithms for coherent detection of advanced modulation formats imposes constraints. A hardware-efficient phase estimator is presented, and measurement results with a CMOS receiver chip designed for 40 Gb/s digital coherent polarization-multiplexed QPSK.