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PPMgLN based high power optical parametric oscillator pumped by Yb3+-doped fiber amplifier incorporates active pulse shaping

PPMgLN based high power optical parametric oscillator pumped by Yb3+-doped fiber amplifier incorporates active pulse shaping
PPMgLN based high power optical parametric oscillator pumped by Yb3+-doped fiber amplifier incorporates active pulse shaping
We report a periodically poled magnesium-oxide-doped lithium niobate (PPMgLN) based optical parametric oscillator (OPO) pumped by a diode-seeded, linearly polarized, high-power, pulsed, ytterbium fiber master oscillator power amplifier (MOPA). Using adaptive pulse shaping of the seed laser (using an external modulator), we demonstrate a reduction in the impact of dynamic gain saturation and optical Kerr/Raman nonlinearities within the fiber MOPA, obtaining shaped signal and idler pulses at the OPO output and reduced spectral bandwidths. A maximum average output power of 26.5 W was obtained from the MOPA at 1062 nm. An output power as high as 11 W from the OPO at an overall slope efficiency of 67% was achieved, with 2.7 W of output power obtained at a wavelength of 3.5 µm. Our experiments were pump-power-limited and considerable scope remains for further power scaling of such OPOs using this approach.
optical fiber lasers, optical parametric oscillators (OPOs), periodically poled magnesium-oxide-doped lithium niobate (PPMgLN), pulsed lasers
1077-260X
385-392
Shen, Yonghang
a6f49b6b-53e4-48c2-8265-9bc66bee535f
Alam, S.-U.
2b6bdbe5-ddcc-4a88-9057-299360b93435
Chen, Kang Kang
37c5f50d-c027-44bb-ac51-23624f4ebcd4
Lin, Dejiao
3f549d76-a6b0-47a7-a1be-c0daa7d47468
Cai, Shuangshuang
f0e3a374-a1b6-4ab4-a328-521086384d3a
Wu, Bo
749fc032-a3ee-45e7-a5f0-5074fa55ef56
Jiang, Peipei
175d43a2-ddab-4e25-aeef-d345e326b023
Malinowski, A.
54fd31d4-b510-4726-a8cd-33b6b2ad0427
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Shen, Yonghang
a6f49b6b-53e4-48c2-8265-9bc66bee535f
Alam, S.-U.
2b6bdbe5-ddcc-4a88-9057-299360b93435
Chen, Kang Kang
37c5f50d-c027-44bb-ac51-23624f4ebcd4
Lin, Dejiao
3f549d76-a6b0-47a7-a1be-c0daa7d47468
Cai, Shuangshuang
f0e3a374-a1b6-4ab4-a328-521086384d3a
Wu, Bo
749fc032-a3ee-45e7-a5f0-5074fa55ef56
Jiang, Peipei
175d43a2-ddab-4e25-aeef-d345e326b023
Malinowski, A.
54fd31d4-b510-4726-a8cd-33b6b2ad0427
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3

Shen, Yonghang, Alam, S.-U., Chen, Kang Kang, Lin, Dejiao, Cai, Shuangshuang, Wu, Bo, Jiang, Peipei, Malinowski, A. and Richardson, D.J. (2009) PPMgLN based high power optical parametric oscillator pumped by Yb3+-doped fiber amplifier incorporates active pulse shaping. IEEE Journal of Selected Topics in Quantum Electronics, 15 (2), 385-392. (doi:10.1109/JSTQE.2008.2010412).

Record type: Article

Abstract

We report a periodically poled magnesium-oxide-doped lithium niobate (PPMgLN) based optical parametric oscillator (OPO) pumped by a diode-seeded, linearly polarized, high-power, pulsed, ytterbium fiber master oscillator power amplifier (MOPA). Using adaptive pulse shaping of the seed laser (using an external modulator), we demonstrate a reduction in the impact of dynamic gain saturation and optical Kerr/Raman nonlinearities within the fiber MOPA, obtaining shaped signal and idler pulses at the OPO output and reduced spectral bandwidths. A maximum average output power of 26.5 W was obtained from the MOPA at 1062 nm. An output power as high as 11 W from the OPO at an overall slope efficiency of 67% was achieved, with 2.7 W of output power obtained at a wavelength of 3.5 µm. Our experiments were pump-power-limited and considerable scope remains for further power scaling of such OPOs using this approach.

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Published date: 2 April 2009
Keywords: optical fiber lasers, optical parametric oscillators (OPOs), periodically poled magnesium-oxide-doped lithium niobate (PPMgLN), pulsed lasers
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 78885
URI: https://eprints.soton.ac.uk/id/eprint/78885
ISSN: 1077-260X
PURE UUID: c271cdf8-b209-4c37-ab17-426535120af4
ORCID for D.J. Richardson: ORCID iD orcid.org/0000-0002-7751-1058

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Date deposited: 15 Mar 2010
Last modified: 26 Nov 2019 02:05

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Contributors

Author: Yonghang Shen
Author: S.-U. Alam
Author: Kang Kang Chen
Author: Dejiao Lin
Author: Shuangshuang Cai
Author: Bo Wu
Author: Peipei Jiang
Author: A. Malinowski
Author: D.J. Richardson ORCID iD

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