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Broadband absorption enhancement for InAsSb-based mid-infrared detection via photon-trapping structure

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Abstract

We demonstrate an InAsSb-based mid-infrared detector via integrated photon-trapping hole array cavity structure, realizing 40% broadband absorption and 36% photocurrent enhancement in the wavelength range of 2 to 5 |xm.

© 2020 The Author(s)

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