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Conferences > FiO > 2013 > FTh4C > FTh4C.3

CW IR Detection in Wide-gap Semiconductors Using Extremely Nondegenerate Two-photon Absorption

Himansu S. Pattanaik, Dmitry A. Fishman, David J. Hagan, and Eric W. Van Stryland

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Abstract

We observe CW Mid-IR detection using GaN or GaAs p-i-n detetctors with extremely nondegenerate two-photon absorption. Current from the Urbach tail absorption limits the minimum detectable power of the IR beam.

© 2013 Optical Society of America

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