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  • Asia Communications and Photonics Conference (ACPC) 2019
  • OSA Technical Digest (Optica Publishing Group, 2019),
  • paper M4A.279

Design of a novel large-broadband grating coupler outputting flat-top like light

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Abstract

A non-uniform grating coupler based on silicon-on-insulator (SOI) aiming at making the spatial distribution of output light more uniform is demonstrated. The coupling efficiency is calculated to be 79% with a 140nm bandwidth. © 2019 The Author(s)

© 2019 The Author(s)

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