[TuH3] Integrated Photonic Circuits and Platforms II

2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)

[TuH3-2] Broadband Asymmetric Directional Coupler Based on SiN Waveguide Designed by Adjoint Method

○Takeshi Fujisawa¹, Yauhide Tsuji² (1.Hosei University, 2.Muroran Institute of Technology)

Keywords:

Advanced passive devices,Photonic integrated circuits

An inverse-designed directional coupler based on SiN waveguide is proposed. The widths of the waveguides are asymmetrically modulated based on adjoint sensitivity analysis performed in beam propagation simulation. Broadband (a)symmetric splitting is possible.