[19p-PA3-1~9] 3.15 Silicon photonics

[19p-PA3-8] Si waveguide optical hybrid using 4x4 and mirror-image MMI-coupler

〇Hideaki Okayama¹, Yosuke Onawa¹, Daisuke Shimura¹, Hiroyuki Takahashi¹, Hiroki Yaegashi¹, Hironori Sasaki¹ (1.OKI)

Keywords:coherent optical communication, silicon photonics, optical hybrid

90^o optical hybrid with minimum design parameters which can simplify the connection of balanced PD is described. 4x4 and mirror-image MMI couplers are connected.