15-µJ picosecond hollow-core-fiber-feedback optical parametric oscillator
15-µJ picosecond hollow-core-fiber-feedback optical parametric oscillator
We report a high-energy, picosecond, mid-infrared (MIR) optical parametric oscillator (OPO), in which a length of hollow-core-fiber (HCF) is employed to enable operation at 1-MHz repetition rate in a compact cavity format. The OPO is synchronously pumped by an ytterbium-doped-fiber (YDF) master-oscillator-power-amplifier (MOPA) system, seeded by a 1040-nm gain-switched laser diode (GSLD). Using periodically poled lithium niobate (PPLN) as the nonlinear crystal, the OPO generates signal and idler beams with tunable wavelengths in the range of 1329–1641 nm and 2841–4790 nm, respectively. The OPO provides 137-ps pulses with a maximum signal energy of 10.05 µJ at 1600 nm and a maximum idler energy of 5.13 µJ at 2967 nm. This, to the best of our knowledge, represents the highest energy MIR pulses, as well as the highest total converted pulse energy (15.18 µJ), ever achieved from a fiber laser pumped picosecond OPO.
23419-23429
Wu, Yudi
e7533e89-9316-44a0-9fe1-91d31ea3baf7
Fu, Qiang
c57afce6-b73b-4999-8469-1fb2947f5dbf
Liang, Sijing
2fe0bfcc-99f0-46ee-8a2e-2a7857fbfb74
Poletti, Francesco
9adcef99-5558-4644-96d7-ce24b5897491
Richardson, David J.
a58ea81e-443d-4dab-8d97-55d76a43d57e
Xu, Lin
b887cecd-d21e-49f4-9b45-6909a7369e84
3 July 2023
Wu, Yudi
e7533e89-9316-44a0-9fe1-91d31ea3baf7
Fu, Qiang
c57afce6-b73b-4999-8469-1fb2947f5dbf
Liang, Sijing
2fe0bfcc-99f0-46ee-8a2e-2a7857fbfb74
Poletti, Francesco
9adcef99-5558-4644-96d7-ce24b5897491
Richardson, David J.
a58ea81e-443d-4dab-8d97-55d76a43d57e
Xu, Lin
b887cecd-d21e-49f4-9b45-6909a7369e84
Wu, Yudi, Fu, Qiang, Liang, Sijing, Poletti, Francesco, Richardson, David J. and Xu, Lin
(2023)
15-µJ picosecond hollow-core-fiber-feedback optical parametric oscillator.
Optics Express, 31 (14), .
(doi:10.1364/OE.494037).
Abstract
We report a high-energy, picosecond, mid-infrared (MIR) optical parametric oscillator (OPO), in which a length of hollow-core-fiber (HCF) is employed to enable operation at 1-MHz repetition rate in a compact cavity format. The OPO is synchronously pumped by an ytterbium-doped-fiber (YDF) master-oscillator-power-amplifier (MOPA) system, seeded by a 1040-nm gain-switched laser diode (GSLD). Using periodically poled lithium niobate (PPLN) as the nonlinear crystal, the OPO generates signal and idler beams with tunable wavelengths in the range of 1329–1641 nm and 2841–4790 nm, respectively. The OPO provides 137-ps pulses with a maximum signal energy of 10.05 µJ at 1600 nm and a maximum idler energy of 5.13 µJ at 2967 nm. This, to the best of our knowledge, represents the highest energy MIR pulses, as well as the highest total converted pulse energy (15.18 µJ), ever achieved from a fiber laser pumped picosecond OPO.
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oe-31-14-23419
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Accepted/In Press date: 15 June 2023
Published date: 3 July 2023
Identifiers
Local EPrints ID: 481525
URI: http://eprints.soton.ac.uk/id/eprint/481525
ISSN: 1094-4087
PURE UUID: ccf30e20-87b4-40fb-a3c1-2220360e81dd
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Date deposited: 31 Aug 2023 16:41
Last modified: 18 Mar 2024 03:26
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Author:
Qiang Fu
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