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Green-pumped, picosecond MgO:PPLN optical parametric oscillator

Green-pumped, picosecond MgO:PPLN optical parametric oscillator
Green-pumped, picosecond MgO:PPLN optical parametric oscillator
We investigate the performance of a magnesium-oxide-doped periodically poled lithium niobate crystal (MgO:PPLN) in an optical parametric oscillator (OPO) synchronously-pumped by 530nm, 20ps, 230MHz pulses with an average power of up to 2W from a frequency-doubled, gain-switched laser diode seed and a multi-stage Yb:fiber amplifier system. The OPO produces ~165mW (signal, 845nm) and ~107mW (idler, 1421nm) of average power for ~1W of pump power and can be tuned from ~800nm to 900nm (signal) and 1.28µm to 1.54µm (idler). Observations of photo-refraction and green-induced infrared absorption (GRIIRA) in different operational regimes of the MgO:PPLN OPO are described and the role of peak intensity and average power are investigated, both with the aim to find the optimal operating regime for pulsed systems.
0740-3224
144-152
Kienle, Florian
d07e440d-09e4-4f71-b322-ed6587117874
Lin, Dejiao
3f549d76-a6b0-47a7-a1be-c0daa7d47468
Alam, Shaif-ul
2b6bdbe5-ddcc-4a88-9057-299360b93435
Hung, Hazel
78aa2e4b-81c2-450f-bc59-a29999c4c256
Gawith, Corin B.E.
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Major, Huw
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Richardson, David J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Shepherd, David P.
9fdd51c4-39d6-41b3-9021-4c033c2f4ead
Kienle, Florian
d07e440d-09e4-4f71-b322-ed6587117874
Lin, Dejiao
3f549d76-a6b0-47a7-a1be-c0daa7d47468
Alam, Shaif-ul
2b6bdbe5-ddcc-4a88-9057-299360b93435
Hung, Hazel
78aa2e4b-81c2-450f-bc59-a29999c4c256
Gawith, Corin B.E.
926665c0-84c7-4a1d-ae19-ee6d7d14c43e
Major, Huw
0907ad51-8004-49c4-a46b-3cdd9e76acf1
Richardson, David J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Shepherd, David P.
9fdd51c4-39d6-41b3-9021-4c033c2f4ead

Kienle, Florian, Lin, Dejiao, Alam, Shaif-ul, Hung, Hazel, Gawith, Corin B.E., Major, Huw, Richardson, David J. and Shepherd, David P. (2012) Green-pumped, picosecond MgO:PPLN optical parametric oscillator. Journal of the Optical Society of America B, 29 (1), 144-152. (doi:10.1364/JOSAB.29.000144).

Record type: Article

Abstract

We investigate the performance of a magnesium-oxide-doped periodically poled lithium niobate crystal (MgO:PPLN) in an optical parametric oscillator (OPO) synchronously-pumped by 530nm, 20ps, 230MHz pulses with an average power of up to 2W from a frequency-doubled, gain-switched laser diode seed and a multi-stage Yb:fiber amplifier system. The OPO produces ~165mW (signal, 845nm) and ~107mW (idler, 1421nm) of average power for ~1W of pump power and can be tuned from ~800nm to 900nm (signal) and 1.28µm to 1.54µm (idler). Observations of photo-refraction and green-induced infrared absorption (GRIIRA) in different operational regimes of the MgO:PPLN OPO are described and the role of peak intensity and average power are investigated, both with the aim to find the optimal operating regime for pulsed systems.

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Published date: 1 January 2012
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 209057
URI: https://eprints.soton.ac.uk/id/eprint/209057
ISSN: 0740-3224
PURE UUID: bf2589f5-8077-440b-a11b-1ffb5e954b58
ORCID for Corin B.E. Gawith: ORCID iD orcid.org/0000-0002-3502-3558
ORCID for David J. Richardson: ORCID iD orcid.org/0000-0002-7751-1058
ORCID for David P. Shepherd: ORCID iD orcid.org/0000-0002-4561-8184

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Date deposited: 25 Jan 2012 14:09
Last modified: 10 Sep 2019 00:56

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Contributors

Author: Florian Kienle
Author: Dejiao Lin
Author: Shaif-ul Alam
Author: Hazel Hung
Author: Huw Major
Author: David P. Shepherd ORCID iD

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