Yong Zhang, Xiaodong Wang, Xuhan Guo, Ciyuan Qiu, Xiulan Cheng, Yikai Su, Richard A. Soref. Ultra-compact Silicon Polarization Beam Splitter with a Short Coupling Length of 0.768 μm. In Optical Fiber Communications Conference and Exposition, OFC 2018, San Diego, CA, USA, March 11-15, 2018. pages 1-3, IEEE, 2018. [doi]