[ME2] Waveguide Devices

[ME2-2] Broadband Si Waveguide Loop Mirror with Curved Directional Coupler

〇Takuya Mitarai, Moataz Eissa, Takayuki Miyazaki, Tomohiro Amemiya, Nobuhiko Nishiyama, Shigehisa Arai (Tokyo Institute of Technology, Japan)

キーワード：Photonic integrated circuits, Si photonic and heterogeneous platform, Advanced Passive Devices

A broadband Si waveguide loop mirror utilizing a curved directional coupler (CDC) was realized for application to an external cavity type III-V/SOI hybrid laser. Reflectance with broad avelength characteristics was obtained while controlling reflectance value by varying the CDC oupling angle.