InP grating coupler design for vertical coupling of InP and silicon chips
Yingheng Tang, Keisuke Kojima, Mitsunobu Gotoda, Satoshi Nishikawa, Shusaku Hayashi, Toshiaki Koike–Akino, Kieran Parsons, Thomas Meißner, Bowen Song, Fengqiao Sang, Xiongsheng Yi, Jonathan Klamkin
Abstract
We present the design strategy of shallow-angle grating couplers for vertical emission from InP devices, and then discuss the focusing effect of a 2D grating. Measured beam shapes from prototyped devices agree well with the simulation results.
Topics & Concepts
GratingOpticsCoupling (piping)Materials scienceOptoelectronicsSiliconBlazed gratingDiffraction gratingPhysicsMetallurgyPhotonic and Optical DevicesOptical Coatings and GratingsSemiconductor Lasers and Optical Devices