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Large aperture PPMgLN based high-power optical parametric oscillator at 38 µm pumped by a nanosecond linearly polarized fiber MOPA

Lin, Dejiao, Alam, Shaif-ul, Shen, Yonghang, Chen, Tao, Wu, Bo and Richardson, David J. (2012) Large aperture PPMgLN based high-power optical parametric oscillator at 38 µm pumped by a nanosecond linearly polarized fiber MOPA Optics Express, 20, (14), pp. 15008-15014. (doi:10.1364/OE.20.015008).

Record type: Article

Abstract

We report a large aperture PPMgLN based OPO generating 21W of average output power at a slope efficiency of 45%. The OPO is pumped with the output from a polarization maintaining Ytterbium doped fiber MOPA operating at 1060nm producing 20ns pulses at a repetition rate of 100kHz and an average output power of 58W (after the isolators). A maximum of 5.5W of optical power was recorded at the idler wavelength of 3.82µm without thermal roll-off. The pulse rise/fall time plays a significant role in the OPO conversion efficiency and that further enhancements in the efficiency should be possible using pulses with faster rise and fall times.

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More information

Published date: 20 June 2012
Keywords: fiber optics and optical communications, fiber optics amplifiers and oscillators, nonlinear optics, pulse shaping
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 341124
URI: http://eprints.soton.ac.uk/id/eprint/341124
ISSN: 1094-4087
PURE UUID: b78a3604-b857-46d7-bac2-9857be3503dd

Catalogue record

Date deposited: 16 Jul 2012 09:14
Last modified: 18 Jul 2017 05:38

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Contributors

Author: Dejiao Lin
Author: Shaif-ul Alam
Author: Yonghang Shen
Author: Tao Chen
Author: Bo Wu

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