GaAs optical parametric oscillator with circularly polarized and depolarized pump

We demonstrate an optical parametric oscillator (OPO) based on GaAs pumped with linearly polarized and circularly polarized light and show that the relative OPO thresholds agree with theoretical expectations. For the circularly polarized pump, the threshold was as low as for the [111]-linearly polar...

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Bibliographic Details
Published in:Optics letters 2007-09, Vol.32 (18), p.2735-2737
Main Authors: KUO, P. S, VADAPYANOV, K. L, FEJER, M. M, YU, X, HARRIS, J. S, BLISS, D. F, WEYBURNE, D
Format: Article
Language:English
Subjects:
Exact sciences and technology
Frequency conversion
harmonic generation, including high-order harmonic generation
Fundamental areas of phenomenology (including applications)
Nonlinear optics
Optical materials
Optical parametric oscillators and amplifiers
Optics
Other nonlinear optical materials
photorefractive and semiconductor materials
Physics
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Description
Summary:We demonstrate an optical parametric oscillator (OPO) based on GaAs pumped with linearly polarized and circularly polarized light and show that the relative OPO thresholds agree with theoretical expectations. For the circularly polarized pump, the threshold was as low as for the [111]-linearly polarized pump case. The pump was also passed through a Lyot depolarizer to produce pseudo-depolarized light, and the OPO threshold in this case was only 22% higher than that for [001]-linearly polarized pump.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.32.002735