We demonstrate an adaptive polarization control system of a 10.2 W non-polarization-maintaining fiber amplifier based on stochastic parallel gradient decent(SPGD)algorithm.The experimental investigation shows that the...We demonstrate an adaptive polarization control system of a 10.2 W non-polarization-maintaining fiber amplifier based on stochastic parallel gradient decent(SPGD)algorithm.The experimental investigation shows that the system can used to compensate for the polarization fluctuation of the fiber amplifier effectively and perform well over a long-time observation.When the adaptive polarization control system is in closed loop,the extinction ratio increases from 2.28 dB to 11.54 dB,and more than 93.4%of the total power in desired polarization direction is achieved.展开更多
基金Supported by the Innovation Foundation for Graduates in National University of Defense Technology under Grant S120703.
文摘We demonstrate an adaptive polarization control system of a 10.2 W non-polarization-maintaining fiber amplifier based on stochastic parallel gradient decent(SPGD)algorithm.The experimental investigation shows that the system can used to compensate for the polarization fluctuation of the fiber amplifier effectively and perform well over a long-time observation.When the adaptive polarization control system is in closed loop,the extinction ratio increases from 2.28 dB to 11.54 dB,and more than 93.4%of the total power in desired polarization direction is achieved.