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Fiber optical parametric oscillator for large frequency-shift wavelength conversion

Fiber optical parametric oscillator for large frequency-shift wavelength conversion
Fiber optical parametric oscillator for large frequency-shift wavelength conversion
We investigate a fiber optical parametric oscillator (OPO) for sub-1-µm wavelength operation with threshold sufficiently low to allow for pumping by readily available all-fiber master-oscillator power-amplifier (MOPA) sources at 1.1 µm. The required low threshold is achieved in an all-fiber OPO ring-cavity which incorporates a photonic crystal fiber as gain medium, synchronously pumped by a wavelength-filtered Yb-doped fiber MOPA. Experimentally, we demonstrate an in-fiber conversion efficiency of 8.6% from the pump at 1079 nm to the anti-Stokes at 715 nm, corresponding to a frequency-shift of 142 THz. While the output power was restricted by a low output coupling, a reduction in feedback losses will allow for most of the generated anti-Stokes power to be out-coupled. Although we use free-space coupling of the pump MOPA to the OPO cavity, the low threshold and the increasing availability of advanced fiber components does allow for fully fiber-integrated solutions.
0018-9197
1396-1403
van der Westhuizen, G.
c53e98b0-e653-4429-a135-a510a9d4092a
Nilsson, J.
f41d0948-4ca9-4b93-b44d-680ca0bf157b
van der Westhuizen, G.
c53e98b0-e653-4429-a135-a510a9d4092a
Nilsson, J.
f41d0948-4ca9-4b93-b44d-680ca0bf157b

van der Westhuizen, G. and Nilsson, J. (2011) Fiber optical parametric oscillator for large frequency-shift wavelength conversion. IEEE Journal of Quantum Electronics, 47 (11), 1396-1403. (doi:10.1109/JQE.2011.2162058).

Record type: Article

Abstract

We investigate a fiber optical parametric oscillator (OPO) for sub-1-µm wavelength operation with threshold sufficiently low to allow for pumping by readily available all-fiber master-oscillator power-amplifier (MOPA) sources at 1.1 µm. The required low threshold is achieved in an all-fiber OPO ring-cavity which incorporates a photonic crystal fiber as gain medium, synchronously pumped by a wavelength-filtered Yb-doped fiber MOPA. Experimentally, we demonstrate an in-fiber conversion efficiency of 8.6% from the pump at 1079 nm to the anti-Stokes at 715 nm, corresponding to a frequency-shift of 142 THz. While the output power was restricted by a low output coupling, a reduction in feedback losses will allow for most of the generated anti-Stokes power to be out-coupled. Although we use free-space coupling of the pump MOPA to the OPO cavity, the low threshold and the increasing availability of advanced fiber components does allow for fully fiber-integrated solutions.

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More information

e-pub ahead of print date: 14 July 2011
Published date: November 2011
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 353330
URI: http://eprints.soton.ac.uk/id/eprint/353330
ISSN: 0018-9197
PURE UUID: f9ec41d6-f1de-4b24-8c72-fc3034f22467
ORCID for J. Nilsson: ORCID iD orcid.org/0000-0003-1691-7959

Catalogue record

Date deposited: 05 Jun 2013 10:43
Last modified: 24 Aug 2019 00:36

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