Updated thermo-optic coefficients of AgGaS2 from temperature-tuned noncritical 3ω - ω → 2ω infrared parametric amplification

J. J. Zondy, D. Touahri

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19 Citations (Scopus)

Abstract

We report the temperature dependence of a continuous-wave noncritically phase-matched (θ = 90°) optical parametric amplifier based on a 15-mm-long silver gallium sulfide crystal (AgGaS2) pumped by a 50-mW near-IR AlGaAs diode laser (λ3 = 0.843 μm). This amplifier is idler seeded by a 15-mW KCl:Li (FA-II) color- center laser (λ1 = 2.53 μm) and produces microwatt-range power of a signal radiation at λ2 = 1.265 μm. Updated linear and thermo-optic data of this chalcopyrite material, such as its room-temperature refractive indices and their temperature dependence, are devised from this type I (eoo) 3:1 frequency-division process and from other published data on noncritically phase-matched difference-frequency generation. The resulting dno,e/dT values reproduce fairly well all of the reported results on temperature phase-matched parametric mining.

Original languageEnglish
Pages (from-to)1331-1338
Number of pages8
JournalJournal of the Optical Society of America B: Optical Physics
Volume14
Issue number6
Publication statusPublished - 1997
Externally publishedYes

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optics
temperature dependence
coefficients
color centers
parametric amplifiers
light amplifiers
division
continuous radiation
gallium
aluminum gallium arsenides
sulfides
amplifiers
semiconductor lasers
silver
refractivity
temperature
room temperature
radiation
crystals
lasers

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

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abstract = "We report the temperature dependence of a continuous-wave noncritically phase-matched (θ = 90°) optical parametric amplifier based on a 15-mm-long silver gallium sulfide crystal (AgGaS2) pumped by a 50-mW near-IR AlGaAs diode laser (λ3 = 0.843 μm). This amplifier is idler seeded by a 15-mW KCl:Li (FA-II) color- center laser (λ1 = 2.53 μm) and produces microwatt-range power of a signal radiation at λ2 = 1.265 μm. Updated linear and thermo-optic data of this chalcopyrite material, such as its room-temperature refractive indices and their temperature dependence, are devised from this type I (eoo) 3:1 frequency-division process and from other published data on noncritically phase-matched difference-frequency generation. The resulting dno,e/dT values reproduce fairly well all of the reported results on temperature phase-matched parametric mining.",
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AU - Touahri, D.

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N2 - We report the temperature dependence of a continuous-wave noncritically phase-matched (θ = 90°) optical parametric amplifier based on a 15-mm-long silver gallium sulfide crystal (AgGaS2) pumped by a 50-mW near-IR AlGaAs diode laser (λ3 = 0.843 μm). This amplifier is idler seeded by a 15-mW KCl:Li (FA-II) color- center laser (λ1 = 2.53 μm) and produces microwatt-range power of a signal radiation at λ2 = 1.265 μm. Updated linear and thermo-optic data of this chalcopyrite material, such as its room-temperature refractive indices and their temperature dependence, are devised from this type I (eoo) 3:1 frequency-division process and from other published data on noncritically phase-matched difference-frequency generation. The resulting dno,e/dT values reproduce fairly well all of the reported results on temperature phase-matched parametric mining.

AB - We report the temperature dependence of a continuous-wave noncritically phase-matched (θ = 90°) optical parametric amplifier based on a 15-mm-long silver gallium sulfide crystal (AgGaS2) pumped by a 50-mW near-IR AlGaAs diode laser (λ3 = 0.843 μm). This amplifier is idler seeded by a 15-mW KCl:Li (FA-II) color- center laser (λ1 = 2.53 μm) and produces microwatt-range power of a signal radiation at λ2 = 1.265 μm. Updated linear and thermo-optic data of this chalcopyrite material, such as its room-temperature refractive indices and their temperature dependence, are devised from this type I (eoo) 3:1 frequency-division process and from other published data on noncritically phase-matched difference-frequency generation. The resulting dno,e/dT values reproduce fairly well all of the reported results on temperature phase-matched parametric mining.

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