Author:
Cheng Guanglian,Yi Qiyuan,Shen Zengfan,Yan Zhiwei,Li Qiyuan,Xiong Xinzhe,Xu Fanglu,Zheng Shuang,Cui Shuai,Yu Yuan,Zou Yi,Sima Chaotan,Shen Li
Abstract
We design and demonstrate a dual-band polarization beam splitter with insertion losses of 0.5/1.2dB and 3.1/1.1dB for TE/TM-polarizations at 1550 and 2000nm, respectively. The measured bandwidths for extinction ratio >20dB are ~115/100nm for 1.55/2μm waveband.