Motheye Structures Antireflective Coatings for Enhancing GaAs Transmission Performance at Mid-Infrared Wavelengths

Chaoran Tu; Rachit M. Sood; Douglas Bamford; David Woolf; Joel Hensley; Thomas F. Carruthers; Curtis R. Menyuk; Fow-Sen Choa

doi:10.1364/CLEO_AT.2020.JTu2B.16

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2020),
paper JTu2B.16
•https://doi.org/10.1364/CLEO_AT.2020.JTu2B.16

Motheye Structures Antireflective Coatings for Enhancing GaAs Transmission Performance at Mid-Infrared Wavelengths

Chaoran Tu, Rachit M. Sood, Douglas Bamford, David Woolf, Joel Hensley, Thomas F. Carruthers, Curtis R. Menyuk, and Fow-Sen Choa

CLEO: Science and Innovations 2020

Washington, DC United States
10–15 May 2020
ISBN: 978-1-943580-76-7

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Joint Poster Session 2 (JTu2B)

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C. Tu, R. M. Sood, D. Bamford, D. Woolf, J. Hensley, T. F. Carruthers, C. R. Menyuk, and F. Choa, "Motheye Structures Antireflective Coatings for Enhancing GaAs Transmission Performance at Mid-Infrared Wavelengths," in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optica Publishing Group, 2020), paper JTu2B.16.

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Abstract

We have fabricated GaAs motheye structures using contact photolithography printing. We have achieved an average transmission improvement of 123% from 2000 cm ^-1 to 700 cm^-1 (5 ¿urn-14 ¿urn) relative to an uncoated wafer.

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