Presentation Information
[WE1-4]Topology Optimization for a Broadband Polarization Splitter-Rotator Based on Lithium Niobate-on-Insulator
○Haosheng Xiao1, Feng Ye1, H.Y. Fu2, Qian Li1 (1.School of Electronic and Computer Engineering, Peking University, Shenzhen 518055, China, 2.Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China)
Keywords:
Optical polarization control devices,polarizer,rotator,and polarization beam splitter,Thin film lithium niobate passive devices
A broadband and efficient polarization splitter-rotator is designed through topology optimization. The device exhibits < 0.27 dB loss and < -20 dB crosstalk over a 300-nm bandwidth with a short length of 300 μm.