An endless polarization stabilizer based on DSP system

Xinyuan Zhao; Xuan Weng; Feng Tian; Xiaoguang Zhang

doi:10.1117/12.852092

25 November 2009 An endless polarization stabilizer based on DSP system

Xinyuan Zhao, Xuan Weng, Feng Tian, Xiaoguang Zhang

Proceedings Volume 7632, Optical Transmission Systems, Switching, and Subsystems VII; 76320B (2009) https://doi.org/10.1117/12.852092
Event: Asia Communications and Photonics, 2009, Shanghai, Shanghai , China

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).

Citation Download Citation

Xinyuan Zhao, Xuan Weng, Feng Tian, and Xiaoguang Zhang "An endless polarization stabilizer based on DSP system", Proc. SPIE 7632, Optical Transmission Systems, Switching, and Subsystems VII, 76320B (25 November 2009); https://doi.org/10.1117/12.852092

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