Performance analyses of polarization demultiplexing based on constant-modulus algorithm in digital coherent optical receivers

In the digital coherent optical receiver, we can achieve polarization demultiplexing in the digital domain, using a two-by-two matrix controlled by the constant-modulus algorithm (CMA). In this paper, after elucidating the physics behind CMA for polarization demultiplexing, we discuss the performanc...

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Bibliographic Details
Published in:Optics express Vol. 19; no. 10; p. 9868
Main Author: Kikuchi, Kazuro
Format: Journal Article
Language:English
Published: United States 09.05.2011
ISSN:1094-4087, 1094-4087
Online Access:Get full text
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Summary:In the digital coherent optical receiver, we can achieve polarization demultiplexing in the digital domain, using a two-by-two matrix controlled by the constant-modulus algorithm (CMA). In this paper, after elucidating the physics behind CMA for polarization demultiplexing, we discuss the performance limit of CMA-based polarization demultiplexing through computer simulations. The method of improving its performance is also demonstrated.
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ISSN:1094-4087
1094-4087
DOI:10.1364/OE.19.009868