A self-coherent receiver for detection of PolMUX coherent signals

A self-coherent receiver for detection of PolMUX coherent signals

A self-coherent receiver capable of demultiplexing PolMUX-signals without an external polarization controller is presented. Training sequences are introduced to estimate the polarization rotation, and a decision feedback recursive algorithm mitigates the random walk of the recovered field. The conce...

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Veröffentlicht in:Optics express 2012-09, Vol.20 (19), p.21413-21433
Hauptverfasser: Li, Jingshi, Schmogrow, Rene, Hillerkuss, David, Schindler, Philipp C, Nazarathy, Moshe, Schmidt-Langhorst, Carsten, Ezra, Shalva-Ben, Tselniker, Igor, Koos, Christian, Freude, Wolfgang, Leuthold, Juerg
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container_end_page 21433
container_issue 19
container_start_page 21413
container_title Optics express
container_volume 20
creator Li, Jingshi
Schmogrow, Rene
Hillerkuss, David
Schindler, Philipp C
Nazarathy, Moshe
Schmidt-Langhorst, Carsten
Ezra, Shalva-Ben
Tselniker, Igor
Koos, Christian
Freude, Wolfgang
Leuthold, Juerg
description A self-coherent receiver capable of demultiplexing PolMUX-signals without an external polarization controller is presented. Training sequences are introduced to estimate the polarization rotation, and a decision feedback recursive algorithm mitigates the random walk of the recovered field. The concept is tested for a PolMUX-DQPSK modulation format where one polarization carries a normal DQPSK signal while the other polarization is encoded as a progressive phase-shift DQPSK signal. An experimental demonstration of the scheme for a 112 Gbit/s PolMUX-DQPSK signal is presented.
doi_str_mv 10.1364/OE.20.021413
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title A self-coherent receiver for detection of PolMUX coherent signals
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