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Chromatic dispersion estimation based on heterodyne detection for coherent optical communication systems
Author(s): Yong Li; Aiying Yang; Peng Guo; Yaojun Qiao; Yueming Lu
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Paper Abstract

We propose an accurate and nondata-aided chromatic dispersion (CD) estimation method involving the use of the cross-correlation function of two heterodyne detection signals for coherent optical communication systems. Simulations are implemented to verify the feasibility of the proposed method for 28-GBaud coherent systems with different modulation formats. The results show that the proposed method has high accuracy for measuring CD and has good robustness against laser phase noise, amplified spontaneous emission noise, and nonlinear impairments.

Paper Details

Date Published: 8 January 2018
PDF: 8 pages
Opt. Eng. 57(1) 016105 doi: 10.1117/1.OE.57.1.016105
Published in: Optical Engineering Volume 57, Issue 1
Show Author Affiliations
Yong Li, Beijing Univ. of Posts and Telecommunications (China)
Aiying Yang, Beijing Institute of Technology (China)
Peng Guo, Beijing Institute of Technology (China)
Yaojun Qiao, Beijing Univ. of Posts and Telecommunications (China)
Yueming Lu, Beijing Univ. of Posts and Telecommunications (China)

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