Title

Grating tunable 4-14 mu m GaAs optical parametric oscillator pumped at 3 mu m

Authors

Authors

K. L. Vodopyanov; I. Makasyuk;P. G. Schunemann

Comments

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Abbreviated Journal Title

Opt. Express

Keywords

ORIENTATION-PATTERNED GAAS; GENERATION; LASER; Optics

Abstract

We demonstrate a broadly and continuously tunable optical parametric oscillator (OPO) based on orientation-patterned GaAs (OP-GaAs) operating at 2 kHz repetition rate. With the choice of the pump wavelength near lambda = 3 mu m, we were able to achieve tunable output in the whole range of 4-14.2 mu m with a linewidth between 2 and 6 cm(-1), using a single OP-GaAs structure with a domain reversal period of 150 mu m. The OPO output was tuned using (i) an intracavity diffraction grating, and (ii) fine adjustment of the pump wavelength near 3 mu m. In certain portions of the spectrum this system potentially allows fast (sub-millisecond scale) wavelength tuning over > 2500 nm by fast steering the diffraction grating at a fixed pump wavelength. (C) 2014 Optical Society of America

Journal Title

Optics Express

Volume

22

Issue/Number

4

Publication Date

1-1-2014

Document Type

Article

Language

English

First Page

4131

Last Page

4136

WOS Identifier

WOS:000332520000046

ISSN

1094-4087

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