Inverse Designed Grating Coupler With Low Loss and High Bandwidth on LNOI Platform

Inverse Designed Grating Coupler With Low Loss and High Bandwidth on LNOI Platform

A grating coupler structure on a X-cut lithium niobate on insulator (LNOI) platform is designed and demonstrated. The utilized inverse design method is based on gradient-based adjoint optimization method, which is time saving and with more optimization degrees of freedom. For TE polarization, the hi...

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Bibliographic Details
Main Authors: Xingsheng He, Dongyue Sun, Jingye Chen, Yaocheng Shi
Format: Article
Language:English
Published: IEEE 2024-01-01
Series:IEEE Photonics Journal
Subjects:
Grating coupler
lithium niobate
inverse design
Online Access:https://ieeexplore.ieee.org/document/10384693/

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