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Proceedings Paper

An endless polarization stabilizer based on DSP system
Author(s): Xinyuan Zhao; Xuan Weng; Feng Tian; Xiaoguang Zhang
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Paper Abstract

An endless polarization stabilizer based on DSP system is reported. It can transform the state of polarization (SOP) of optical signal to any desired SOP and maintaining output signal at the desired SOP. Feedback controlling method is applied to the proposed polarization stabilizer. We design a target function relates to current SOP and the desired SOP in transmission link. It has only one extremum when SOP in transmission link is exactly the same with the desired SOP. Particle swarm optimization algorithm is employed to search the extremum point. To investigate performance of the proposed polarization stabilizer, HP11896A polarization controller is used as polarization scrambler. We test performance of the polarization stabilizer under rate 1 (~16 rad/s), 4 (~33 rad/s), and 8 ( ~65 rad/s), separately. Under the existing condition of our laboratory, the developed polarization stabilizer has the ability of stabilization up to 65 rad/s SOP changes (rate 8).

Paper Details

Date Published: 26 November 2009
PDF: 7 pages
Proc. SPIE 7632, Optical Transmission Systems, Switching, and Subsystems VII, 76320B (26 November 2009); doi: 10.1117/12.852092
Show Author Affiliations
Xinyuan Zhao, Beijing Univ. of Posts and Telecommunications (China)
Xuan Weng, Beijing Univ. of Posts and Telecommunications (China)
Feng Tian, Beijing Univ. of Posts and Telecommunications (China)
Xiaoguang Zhang, Beijing Univ. of Posts and Telecommunications (China)


Published in SPIE Proceedings Vol. 7632:
Optical Transmission Systems, Switching, and Subsystems VII
Dominique Chiaroni, Editor(s)

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