Nonlinear Behaviour of 112 Gb/s Polarisation-Multiplexed RZ-DQPSK with Direct Detection in a 630 km Field Trial

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

Proceedings: ECOC 2009

Pages: 2Language: englishTyp: PDF

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Wernz, H.; Herbst, S.; Bayer, S.; Griesser, H.; Martins, E.; Fürst, C. (Ericsson GmbH, Gerberstr.33, 71522 Backnang)
Koch, B.; Mirvoda, V.; Noé, R. (University of Paderborn, EIM-E, Warburger Str. 100, 33098 Paderborn)
Ehrhardt, A.; Schürer, L.; Vorbeck, S.; Schneiders, M. (Deutsche Telekom Netzproduktion GmbH, Technical Engineeering Center)
Breuer, D.; Braun, R.-P. (Deutsche Telekom T-Labs)

PM-RZ-DQPSK with direct detection and fast optical polarisation tracking achieves 6dB noise margin over a long-haul field link. The crosstalk by 10&40G OOK channels at 50GHz spacing is analysed for high channel power.