Cao Ruo-Lin, Peng Qing-Xuan, Wang Jin-Dong, Chen Yong-Jie, Huang Yun-Fei, Yu Ya-Fei, Wei Zheng-Jun, Zhang Zhi-Ming. Real-time polarization compensation system for wavelength division multiplexing in low noise fiber channel based on single photon counting feedbackJ. Acta Physica Sinica, 2022, 71(13): 130306. DOI: 10.7498/aps.71.20220120