Mid-infrared two photon absorption sensitivity of commercial detectors

Abstract

We report on broad-band two-photon absorption (TPA) in several commercially available MIR inter-band bulk semiconductor photodetectors with the spectral cutoff in the range of 4.5–6 μm. The highest TPA responsivity of 2x10‾⁵ A−mm²/W² is measured for a nitrogen-cooled InSb photovoltaic detector. Its performance as a two-photon detector is validated by measuring the secondorder interferometric autocorrelation function of a multimode quantum cascade laser emitting at the wavelength of 8 μm.

Metadata

Item Type:	Article
Authors/Creators:	Boiko, DL Antonov, AV Kuritsyn, DI Yablonskiy, AN Sergeev, SM Orlova, EE https://orcid.org/0000-0003-0243-0074 Vaks, VV
Copyright, Publisher and Additional Information:	© 2017 Author(s) Reproduced in accordance with the publisher's self-archiving policy.
Dates:	Published: 23 October 2017 Published (online): 26 October 2017 Accepted: 15 October 2017
Institution:	The University of Leeds
Academic Units:	The University of Leeds > Faculty of Engineering & Physical Sciences (Leeds) > School of Electronic & Electrical Engineering (Leeds) > Pollard Institute (Leeds)
Depositing User:	Symplectic Publications
Date Deposited:	11 Jan 2019 13:37
Last Modified:	11 Jan 2019 13:37
Status:	Published
Publisher:	AIP
Identification Number:	10.1063/1.4996187
Open Archives Initiative ID (OAI ID):	oai:eprints.whiterose.ac.uk:140915

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Mid-infrared two photon absorption sensitivity of commercial detectors

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