Measurements of the nonlinear refractive index of AgGaSe2, GaSe, and ZnSe at 10 µm

J. J. Pigeon; D. A. Matteo; S. Ya Tochitsky; I. Ben-Zvi; C. Joshi

doi:10.1364/JOSAB.395844

Measurements of the nonlinear refractive index of AgGaSe₂, GaSe, and ZnSe at 10 µm

J. J. Pigeon
, D. A. Matteo
, S. Ya Tochitsky
, I. Ben-Zvi
, C. Joshi

Physics and Astronomy

Stony Brook University
University of California at Los Angeles

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

We measure the four-wave mixing efficiency of dual-frequency, 300 ns, 10 µm CO₂ laser pulses to determine the effective nonlinear refractive index of the quadratic nonlinear crystals GaSe, AgGaSe₂, and ZnSe relative to GaAs. The effective nonlinear refractive index of GaSe and AgGaSe₂ does not depend on the phase-matching conditions for second-harmonic and sum-frequency generation. This suggests that these measurements are representative of the intrinsic Kerr index and usable for infrared applications.

Original language	English
Pages (from-to)	2076-2079
Number of pages	4
Journal	Journal of the Optical Society of America B: Optical Physics
Volume	37
Issue number	7
DOIs	https://doi.org/10.1364/JOSAB.395844
State	Published - Jul 1 2020

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abstract = "We measure the four-wave mixing efficiency of dual-frequency, 300 ns, 10 µm CO2 laser pulses to determine the effective nonlinear refractive index of the quadratic nonlinear crystals GaSe, AgGaSe2, and ZnSe relative to GaAs. The effective nonlinear refractive index of GaSe and AgGaSe2 does not depend on the phase-matching conditions for second-harmonic and sum-frequency generation. This suggests that these measurements are representative of the intrinsic Kerr index and usable for infrared applications.",

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T1 - Measurements of the nonlinear refractive index of AgGaSe2, GaSe, and ZnSe at 10 µm

AU - Pigeon, J. J.

AU - Matteo, D. A.

AU - Tochitsky, S. Ya

AU - Ben-Zvi, I.

AU - Joshi, C.

PY - 2020/7/1

Y1 - 2020/7/1

N2 - We measure the four-wave mixing efficiency of dual-frequency, 300 ns, 10 µm CO2 laser pulses to determine the effective nonlinear refractive index of the quadratic nonlinear crystals GaSe, AgGaSe2, and ZnSe relative to GaAs. The effective nonlinear refractive index of GaSe and AgGaSe2 does not depend on the phase-matching conditions for second-harmonic and sum-frequency generation. This suggests that these measurements are representative of the intrinsic Kerr index and usable for infrared applications.

AB - We measure the four-wave mixing efficiency of dual-frequency, 300 ns, 10 µm CO2 laser pulses to determine the effective nonlinear refractive index of the quadratic nonlinear crystals GaSe, AgGaSe2, and ZnSe relative to GaAs. The effective nonlinear refractive index of GaSe and AgGaSe2 does not depend on the phase-matching conditions for second-harmonic and sum-frequency generation. This suggests that these measurements are representative of the intrinsic Kerr index and usable for infrared applications.

UR - https://www.scopus.com/pages/publications/85090323530

U2 - 10.1364/JOSAB.395844

DO - 10.1364/JOSAB.395844

M3 - Article

AN - SCOPUS:85090323530

SN - 0740-3224

VL - 37

SP - 2076

EP - 2079

JO - Journal of the Optical Society of America B: Optical Physics

JF - Journal of the Optical Society of America B: Optical Physics

IS - 7

ER -

Measurements of the nonlinear refractive index of AgGaSe₂, GaSe, and ZnSe at 10 µm

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