[CTuA11D] Silicon Photonics

[CTuA11D-03] Highly efficient power splitter with arbitrary ratios based on inverse shape optimization

*Junpeng Liao¹, Ye Tian¹, Zirong Yang¹, Zhe Kang², Qinghui Jin¹, Xiaowei Zhang¹ (1. Ningbo Univ. (China), 2. Zhejiang Univ. (China))

[Presentation Style] Online

Adjoint shape optimization method is implemented to design SOI-based power splitters with arbitrary ratios. Splitters with ratios of 1:2, 1:4 and 1:8 are demonstrated with loss below 0.28 dB over a bandwidth of 100 nm.