Title: Real-time monitoring method for quickly obtaining polarization mode dispersion information in optical fiber link
Application Number: 200610165505 Application Date: 2006.12.21
Publication Number: 1976258 Publication Date: 2007.06.06
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: H04B10/08;H04B10/135;H04B10/18
Applicant(s) Name: Beijing Post Address:
Inventor(s) Name: Xi Lixia;Zhang Xiaoguang;Dan Gaoyan;Zheng Yuan;She
Attorney & Agent: yanli de
Abstract:
    A real time monitoring method for obtaining polarization mode dispersion information in optical fiber link includes detecting out Stokes vector of output signal corresponding to different input signal in optical fiber link by sampling-monitoring unit of adaptive compensation device, inputting detected data into computer to fit out polarization degree ellipsoid then utilizing PSO algorithm to fit out said ellipsoid and using SO algorithm to continuously regulate 6-D parameters till object function is on minimum value, making PMD value in link be minimum by PMD adaptive compensator so as to realize PMD adaptive compensation.
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