TY - GEN AU - Chang,Li-Min AU - Liu,Lei AU - Gong,Yuan-Hao AU - Tan,Man-Qing AU - Yu,Yu-De AU - Li,Zhi-Yong TI - Polarization-independent directional coupler and polarization beam splitter based on asymmetric cross-slot waveguides SN - 1539-4522 PY - 2018///0207 N1 - Publication Type: Journal Article UR - https://doi.org/10.1364/AO.57.000678 ER -