Wavelength Tunable Group delay in InGaAs Subwavelength Grating Waveguide for Mid-Infrared Absorption Spectroscopy

Conference on Lasers and Electro-Optics（2022）

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摘要

An engineered structure based on InGaAs-InP subwavelength grating waveguide is proposed on QCL/QCD platform for sensing application. The proposed structure attribute slow light effect with fine group index tuning capability of 0.48nm/K using thermo-optic effect.

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关键词

ingaas subwavelength grating waveguide,wavelength,delay,mid-infrared

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