Two-photon absorption in InGaAsP waveguides

Leonid Ya. Karachinsky; Nikita Yu. Gordeev; Innokenty I. Novikov; Andrei V. Lyutetskiy; Nikita A. Pikhtin; Natalia V. Fetisova; Ilya S. Tarasov; Petr S. Kop'ev

doi:10.1117/12.498647

8 July 2003 Two-photon absorption in InGaAsP waveguides

Leonid Ya. Karachinsky, Nikita Yu. Gordeev, Innokenty I. Novikov, Andrei V. Lyutetskiy, Nikita A. Pikhtin, Natalia V. Fetisova, Ilya S. Tarasov, Petr S. Kop'ev

Author Affiliations +

Proceedings Volume 5036, Photonics, Devices, and Systems II; (2003) https://doi.org/10.1117/12.498647
Event: Photonics, Devices, and Systems II, 2002, Prague, Czech Republic

Abstract

Two-photon absorption of 1.55 μm light in quantum well InGaAsP/InP laser heterostructures has been measured. Nonlinear response as high as 0.78 nA/mW² has been found. Minimal detectable peak power 60 μW allows using this kind of semiconductor waveguide as a detector in optical autocorrelator to investigate low-power signal.

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Leonid Ya. Karachinsky, Nikita Yu. Gordeev, Innokenty I. Novikov, Andrei V. Lyutetskiy, Nikita A. Pikhtin, Natalia V. Fetisova, Ilya S. Tarasov, and Petr S. Kop'ev "Two-photon absorption in InGaAsP waveguides", Proc. SPIE 5036, Photonics, Devices, and Systems II, (8 July 2003); https://doi.org/10.1117/12.498647

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