posted on 2024-10-31, 19:58authored byShitao Gao, Yang Wang, Ke WangKe Wang, Efstratios Skafidas
In this paper, we propose a polarization insensitive vertical coupler for 3D silicon photonic integrated circuits. Results show that the inter-layer coupling loss is 0.29 dB for the TE mode and 0.2 dB for the TM mode.