作者：Yong Zhang, Yu He, Jiayang Wu, Ruili Liu, Ciyuan Qiu, and Yikai Su
摘要：A fabrication-tolerant polarization beam splitter (PBS) based on grating-assisted contradirectional couplers is experimentally demonstrated. Over 30-dB extinction ratios are achieved for both polarizations. Large fabrication tolerance in coupling length is also verified.
出版源：Proc. OFC
