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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 19 — Sep. 10, 2012
  • pp: 21413–21433

A self-coherent receiver for detection of
PolMUX coherent signals

Jingshi Li, Rene Schmogrow, David Hillerkuss, Philipp C. Schindler, Moshe Nazarathy, Carsten Schmidt-Langhorst, Shalva-Ben Ezra, Igor Tselniker, Christian Koos, Wolfgang Freude, and Juerg Leuthold  »View Author Affiliations

Optics Express, Vol. 20, Issue 19, pp. 21413-21433 (2012)

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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.

© 2012 OSA

OCIS Codes
(060.1660) Fiber optics and optical communications : Coherent communications
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.5060) Fiber optics and optical communications : Phase modulation

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: July 17, 2012
Revised Manuscript: August 20, 2012
Manuscript Accepted: August 21, 2012
Published: September 4, 2012

Jingshi Li, Rene Schmogrow, David Hillerkuss, Philipp C. Schindler, Moshe Nazarathy, Carsten Schmidt-Langhorst, Shalva-Ben Ezra, Igor Tselniker, Christian Koos, Wolfgang Freude, and Juerg Leuthold, "A self-coherent receiver for detection of
PolMUX coherent signals," Opt. Express 20, 21413-21433 (2012)

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