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High beam quality, watt-level, widely tunable, mid-infrared OP-GaAs optical parametric oscillator

High beam quality, watt-level, widely tunable, mid-infrared OP-GaAs optical parametric oscillator
High beam quality, watt-level, widely tunable, mid-infrared OP-GaAs optical parametric oscillator
We demonstrate near-diffraction-limited performance from a mid-infrared, idler-resonant, fiber-laser-pumped, widely tunable, picosecond optical parametric oscillator (OPO) based on orientation-patterned gallium arsenide (OP-GaAs). The OP-GaAs OPO is synchronously pumped by a picosecond Tm:fiber master–oscillator-power-amplifier system. An OPO tuning range of 4394–6102 nm (idler) and 2997–3661 nm (signal) is achieved, with maximum average powers of 1.18 (idler, 5580 nm) and 0.51 W (signal, 3136 nm). The idler beam has M2 values of 1.06 (x-direction) by 1.03 (y-direction).
0146-9592
2744-2747
Fu, Qiang
c57afce6-b73b-4999-8469-1fb2947f5dbf
Xu, Lin
b887cecd-d21e-49f4-9b45-6909a7369e84
Liang, Sijing
0bb48ad1-5bd9-4764-9664-5017a65db7d0
Shardlow, Peter
9ca17301-8ae7-4307-8bb9-371df461520c
Shepherd, David
9fdd51c4-39d6-41b3-9021-4c033c2f4ead
Alam, Shaif-Ul
2b6bdbe5-ddcc-4a88-9057-299360b93435
Richardson, David
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Fu, Qiang
c57afce6-b73b-4999-8469-1fb2947f5dbf
Xu, Lin
b887cecd-d21e-49f4-9b45-6909a7369e84
Liang, Sijing
0bb48ad1-5bd9-4764-9664-5017a65db7d0
Shardlow, Peter
9ca17301-8ae7-4307-8bb9-371df461520c
Shepherd, David
9fdd51c4-39d6-41b3-9021-4c033c2f4ead
Alam, Shaif-Ul
2b6bdbe5-ddcc-4a88-9057-299360b93435
Richardson, David
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3

Fu, Qiang, Xu, Lin, Liang, Sijing, Shardlow, Peter, Shepherd, David, Alam, Shaif-Ul and Richardson, David (2019) High beam quality, watt-level, widely tunable, mid-infrared OP-GaAs optical parametric oscillator. Optics Letters, 44 (11), 2744-2747. (doi:10.1364/OL.44.002744).

Record type: Article

Abstract

We demonstrate near-diffraction-limited performance from a mid-infrared, idler-resonant, fiber-laser-pumped, widely tunable, picosecond optical parametric oscillator (OPO) based on orientation-patterned gallium arsenide (OP-GaAs). The OP-GaAs OPO is synchronously pumped by a picosecond Tm:fiber master–oscillator-power-amplifier system. An OPO tuning range of 4394–6102 nm (idler) and 2997–3661 nm (signal) is achieved, with maximum average powers of 1.18 (idler, 5580 nm) and 0.51 W (signal, 3136 nm). The idler beam has M2 values of 1.06 (x-direction) by 1.03 (y-direction).

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Accepted/In Press date: 26 March 2019
e-pub ahead of print date: 26 March 2019
Published date: 23 May 2019

Identifiers

Local EPrints ID: 430649
URI: https://eprints.soton.ac.uk/id/eprint/430649
ISSN: 0146-9592
PURE UUID: a0cc2d63-a454-4839-a3b9-e5cff646d66c
ORCID for Sijing Liang: ORCID iD orcid.org/0000-0003-2477-9525
ORCID for Peter Shardlow: ORCID iD orcid.org/0000-0003-0459-0581
ORCID for David Shepherd: ORCID iD orcid.org/0000-0002-4561-8184
ORCID for David Richardson: ORCID iD orcid.org/0000-0002-7751-1058

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Date deposited: 07 May 2019 16:30
Last modified: 03 Dec 2019 02:05

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