[19p-E206-1~19] 3.15 Silicon photonics

[19p-E206-13] Light coupling design of two-step tapered InP waveguide to Si waveguide for μ-transfer printing

〇Rai Kou¹, Takuo Hiratani², Hideki Yagi², Haruhiko Kuwatsuka¹, Makoto Okano¹, Morifumi Ohno¹, Hitoshi Kawashima¹, Keijiro Suzuki¹, Naoki Fujiwara², Hajime Shoji², Koji Yamada¹ (1.AIST, 2.Sumitomo Electric)

Keywords:transfer printing, III-V semiconductor, silicon photonics

Efficient light coupling design of a two-step tapered InP waveguide to a Si waveguide is proposed for III-V laser integration on silicon photonics chips by μ-transfer printing method. In addition to the light propagation simulations, the feasibility of this design is verified by our experiments.