Low-threshold, self-frequency-stabilized AgGaS2 continuous-wave subharmonic optical parametric oscillator

A. Douillet, J. J. Zondy

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

We report the demonstration of a cw AgGaS2 optical parametric oscillator (OPO). The subharmonic (3ω → 2ω + ω) OPO is configured as a doubly resonant oscillator with weak pump enhancement. The temperature-tuned, noncritically phase-matched crystal is pumped by a diode laser at λp ≈ 845 nm. Oscillation at λs ≈ 1267 nm and λi ≈ 2535 nm is observed at an input threshold power of 60 mW. Crystal thermal loading induces a robust passive self-frequency stabilization of any single-axial-mode pair to the OPO cavity resonance. The conversion efficiency is limited by thermal effects to 2% for a 200-mW pump input.

Original languageEnglish
Pages (from-to)1259-1261
Number of pages3
JournalOptics Letters
Volume23
Issue number16
Publication statusPublished - Aug 15 1998
Externally publishedYes

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parametric amplifiers
continuous radiation
thresholds
pumps
axial modes
crystals
temperature effects
stabilization
semiconductor lasers
oscillators
oscillations
cavities
augmentation
temperature

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Low-threshold, self-frequency-stabilized AgGaS2 continuous-wave subharmonic optical parametric oscillator. / Douillet, A.; Zondy, J. J.

In: Optics Letters, Vol. 23, No. 16, 15.08.1998, p. 1259-1261.

Research output: Contribution to journalArticle

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