OSNR Monitoring Technique for DPSK/DQPSK Signals Based on Self-Heterodyne Detection

H. Y. Choi; Y. Takushima; Y. C. Chung

Optical Fiber Communication Conference/National Fiber Optic Engineers Conference
OSA Technical Digest (CD) (Optica Publishing Group, 2008),
paper OThW6

OSNR Monitoring Technique for DPSK/DQPSK Signals Based on Self-Heterodyne Detection

H. Y. Choi, Y. Takushima, and Y. C. Chung

Optical Fiber Communication Conference 2008

San Diego, California United States
24–28 February 2008
ISBN: 978-1-55752-859-9

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Optical Performance Monitoring (OThW)

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H. Y. Choi, Y. Takushima, and Y. C. Chung, "OSNR Monitoring Technique for DPSK/DQPSK Signals Based on Self-Heterodyne Detection," in Optical Fiber Communication Conference/National Fiber Optic Engineers Conference, OSA Technical Digest (CD) (Optica Publishing Group, 2008), paper OThW6.

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Abstract

We report a new OSNR monitoring method of DPSK/DQPSK signals, which analyzes the RF spectrum obtained by the self-heterodyne detection. The performance of this technique is not affected by the polarization scrambling or fiber dispersion (both CD and PMD).

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