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WANG Zixiao, LUO Fengguang, LI Bin, HU Hangting, YANG Shuailong. Monitoring scheme of polarization mode dispersion based on pulse position modulation system[J]. LASER TECHNOLOGY, 2018, 42(1): 1-4. DOI: 10.7510/jgjs.issn.1001-3806.2018.01.001
Citation: WANG Zixiao, LUO Fengguang, LI Bin, HU Hangting, YANG Shuailong. Monitoring scheme of polarization mode dispersion based on pulse position modulation system[J]. LASER TECHNOLOGY, 2018, 42(1): 1-4. DOI: 10.7510/jgjs.issn.1001-3806.2018.01.001

Monitoring scheme of polarization mode dispersion based on pulse position modulation system

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  • Received Date: March 23, 2017
  • Revised Date: March 31, 2017
  • Published Date: January 24, 2018
  • In order to monitor polarization mode dispersion (PMD) of the fiber communication channel in a pulse position modulation (PPM) transmission system dynamically, a novel PMD monitoring method was proposed based on single sideband polarization phase difference detection technology, and the mathematical model of the method was built in accordance with monitoring principle. The structure of the method was simple, so it can be realized easily at very low cost. The simulation results indicate that the method can realize dynamic PMD monitoring including differential group delay (DGD) and polarization state of output light, and the technique can monitor DGD accurately in the range of 0ps to 100ps. It is proved that the operation of proposed PMD monitor method is independent of data rates, which shows the proposed method can satisfy the need of real time PMD monitoring for PPM transmission systems. It indicates that the proposed method is feasible and effective for PMD monitoring.
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