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Large aperture PPMgLN based high-power optical parametric oscillator at 3.8 µm pumped by a nanosecond linearly polarized fiber MOPA

Large aperture PPMgLN based high-power optical parametric oscillator at 3.8 µm pumped by a nanosecond linearly polarized fiber MOPA
Large aperture PPMgLN based high-power optical parametric oscillator at 3.8 µm pumped by a nanosecond linearly polarized fiber MOPA
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.
fiber optics and optical communications, fiber optics amplifiers and oscillators, nonlinear optics, pulse shaping
1094-4087
15008-15014
Lin, Dejiao
3f549d76-a6b0-47a7-a1be-c0daa7d47468
Alam, Shaif-ul
2b6bdbe5-ddcc-4a88-9057-299360b93435
Shen, Yonghang
a6f49b6b-53e4-48c2-8265-9bc66bee535f
Chen, Tao
1936e7dc-ce5b-46e3-b0f8-e27212345868
Wu, Bo
749fc032-a3ee-45e7-a5f0-5074fa55ef56
Richardson, David J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Lin, Dejiao
3f549d76-a6b0-47a7-a1be-c0daa7d47468
Alam, Shaif-ul
2b6bdbe5-ddcc-4a88-9057-299360b93435
Shen, Yonghang
a6f49b6b-53e4-48c2-8265-9bc66bee535f
Chen, Tao
1936e7dc-ce5b-46e3-b0f8-e27212345868
Wu, Bo
749fc032-a3ee-45e7-a5f0-5074fa55ef56
Richardson, David J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3

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 3.8 µm pumped by a nanosecond linearly polarized fiber MOPA. Optics Express, 20 (14), 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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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
ORCID for David J. Richardson: ORCID iD orcid.org/0000-0002-7751-1058

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Date deposited: 16 Jul 2012 09:14
Last modified: 08 Jan 2022 02:36

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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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