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

Sourabh Jain; May H. Hlaing; Ray T Chen; Ray T Chen

doi:10.1364/CLEO_AT.2022.JW3B.167

Conference on Lasers and Electro-Optics
Technical Digest Series (Optica Publishing Group, 2022),
paper JW3B.167
•https://doi.org/10.1364/CLEO_AT.2022.JW3B.167

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

Sourabh Jain, May H. Hlaing, and Ray T Chen

CLEO: Applications and Technology 2022

San Jose, California United States
15–20 May 2022
ISBN: 978-1-957171-05-0

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Joint Poster Session II-B (Virtual) (JW3B)

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S. Jain, M. H. Hlaing, and R. T. Chen, "Wavelength Tunable Group delay in InGaAs Subwavelength Grating Waveguide for Mid-Infrared Absorption Spectroscopy," in Conference on Lasers and Electro-Optics, Technical Digest Series (Optica Publishing Group, 2022), paper JW3B.167.

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Abstract

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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