Diode-laser-pumped continuous-wave optical parametric oscillator with a large mid-infrared tuning range

Ville Ulvila, Markku Vainio

Research output: Contribution to journalArticleResearchpeer-review

Abstract

We report a singly resonant continuous-wave optical parametric oscillator (SRO), which is pumped by a simple semiconductor laser system and operates in the mid-infrared region (2.9 to 3.6μm). The pump laser system allows for a simple and cost-efficient SRO design with a small footprint. Tuning of the SROs mid-infrared output wavelength by more than 200 nm is demonstrated by scanning the pump laser wavelength through only 1.25 nm, without any need to adjust the SRO settings. The large tuning range is obtained by choosing a pump wavelength (780 nm) that corresponds to a turning point of the group velocity mismatch between the phase-matched signal and idler waves of the SRO.

Original languageEnglish
Pages (from-to)99-102
Number of pages4
JournalOptics Communications
Volume439
DOIs
Publication statusPublished - 15 May 2019
MoE publication typeNot Eligible

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Optical parametric oscillators
parametric amplifiers
continuous radiation
Semiconductor lasers
Tuning
semiconductor lasers
tuning
Pumps
pumps
Infrared radiation
Wavelength
wavelengths
Lasers
footprints
group velocity
lasers
costs
Scanning
scanning
output

Cite this

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abstract = "We report a singly resonant continuous-wave optical parametric oscillator (SRO), which is pumped by a simple semiconductor laser system and operates in the mid-infrared region (2.9 to 3.6μm). The pump laser system allows for a simple and cost-efficient SRO design with a small footprint. Tuning of the SROs mid-infrared output wavelength by more than 200 nm is demonstrated by scanning the pump laser wavelength through only 1.25 nm, without any need to adjust the SRO settings. The large tuning range is obtained by choosing a pump wavelength (780 nm) that corresponds to a turning point of the group velocity mismatch between the phase-matched signal and idler waves of the SRO.",
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Diode-laser-pumped continuous-wave optical parametric oscillator with a large mid-infrared tuning range. / Ulvila, Ville; Vainio, Markku.

In: Optics Communications, Vol. 439, 15.05.2019, p. 99-102.

Research output: Contribution to journalArticleResearchpeer-review

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