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Conferences > CLEO_AT > 2022 > JW3A > JW3A.57

High Order (N=4–6) Multiphoton Mid-IR Absorption in GaP, ZnSe, GaSe, and ZGP and the Role of Free Carriers

Taiki Kawamori, Peter G. Schunemann, Vitaly Gruzdev, and Konstantin L. Vodopyanov

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Abstract

We report multiphoton absorption (MPA) and pulse-length-dependent nonlinear absorption in four mid-infrared crystals. While MPA order varied following crystals’ bandgaps, generated free carriers by MPA contributed considerably to the total absorption even at 30-fs durations.

© 2022 The Author(s)

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