Wideband-Efficient SOI Uniform Subwavelength Grating Couplers by Effective-Index and Leakage-Factor Matching at Multiple Wavelengths

Wideband-Efficient SOI Uniform Subwavelength Grating Couplers by Effective-Index and Leakage-Factor Matching at Multiple Wavelengths

By improving both effective-index (EI) matching and leakage-factor (LF) matching at multiple wavelengths, a method to achieve a wideband-efficient uniform subwavelength grating coupler (SWGC) has been theoretically demonstrated. First, the root-mean-square-error between the grating EI and ideal EI (...

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Bibliographic Details
Main Authors: Wanzhen Hu, Huang Shiyuan, Citrin Scott David, Hao Long, Chunyong Yang, Shaoping Chen, Jin Hou
Format: Article
Language:English
Published: IEEE 2023-01-01
Series:IEEE Photonics Journal
Subjects:
Silicon photonics
grating coupler
multi-wavelengths matching
effective-index matching
leakage-factor matching
Online Access:https://ieeexplore.ieee.org/document/10309225/

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