SiN-based waveguides with ultra-low thermo-optic effect

Janderson R. Rodrigues,Gaurang R. Bhatt,Ipshita Datta,Utsav D. Dave,Shriddha Chaitanya, Euijae Shim,Michal Lipson

Conference on Lasers and Electro-Optics（2022）

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摘要

We demonstrate SiN-based passive waveguides with ultra-low thermo-optic effect, based on a novel waveguiding mechanism that confines light in the lower index of refraction. We demonstrate broadband operation over at least 200nm, with less than 0.01% change in the index over 200 degrees.

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关键词

thermo-optic effect,refraction index,silicon nitride-based passive waveguides,SiN

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