Phasematched three-wave mixing in poled optical fibres
Phasematched three-wave mixing in poled optical fibres
It is now well known that high-intensity light may be used to write second-order non-linear gratings into optical fibre. The process is thought to be due to the alignment of defect centres, a view which is supported by the recently demonstrated fibre poling technique. In this, even stronger second-order non-linearities are generated by applying external electric fields to the fibre. Fibre poling has produced second-order non-linearities only ten times lower than in KDP and uniformly poled fibres have been employed as electro-optic modulators. Efficient second-harmonic generation has been demonstrated in poled fibres by employing mode-interference gratings (MIGs) for phase-matching. MIGs can maintain coherent in-phase propagation of the pump and SH-light in up to 10cm of fibre, limited only by fibre non-uniformities. Here, we demonstrate for the first time that MIGs may also be employed for phase-matching general three-wave mixing processes in poled optical fibres. The phase-matching conditions for TWM may easily be estimated from measurements of the wavelengths where phase-matched SHG is obtained.
Fermann, M.E.
7b069725-c906-4b27-9b6d-1034b99b0cf7
Wells, P.J.
2177ced9-6ea6-4bf6-af53-8df558df8107
Li, L.
3d47f862-e449-42d4-be13-5bf827cf8383
Dong, L.
4a30a247-d676-42ef-aaf4-061579d6d64e
1990
Fermann, M.E.
7b069725-c906-4b27-9b6d-1034b99b0cf7
Wells, P.J.
2177ced9-6ea6-4bf6-af53-8df558df8107
Li, L.
3d47f862-e449-42d4-be13-5bf827cf8383
Dong, L.
4a30a247-d676-42ef-aaf4-061579d6d64e
Fermann, M.E., Wells, P.J., Li, L. and Dong, L.
(1990)
Phasematched three-wave mixing in poled optical fibres.
OSA Topical Meeting Photorefractive Materials Effects and Devices, Aussois, Aussois, France.
17 - 19 Jun 1990.
Record type:
Conference or Workshop Item
(Paper)
Abstract
It is now well known that high-intensity light may be used to write second-order non-linear gratings into optical fibre. The process is thought to be due to the alignment of defect centres, a view which is supported by the recently demonstrated fibre poling technique. In this, even stronger second-order non-linearities are generated by applying external electric fields to the fibre. Fibre poling has produced second-order non-linearities only ten times lower than in KDP and uniformly poled fibres have been employed as electro-optic modulators. Efficient second-harmonic generation has been demonstrated in poled fibres by employing mode-interference gratings (MIGs) for phase-matching. MIGs can maintain coherent in-phase propagation of the pump and SH-light in up to 10cm of fibre, limited only by fibre non-uniformities. Here, we demonstrate for the first time that MIGs may also be employed for phase-matching general three-wave mixing processes in poled optical fibres. The phase-matching conditions for TWM may easily be estimated from measurements of the wavelengths where phase-matched SHG is obtained.
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Published date: 1990
Venue - Dates:
OSA Topical Meeting Photorefractive Materials Effects and Devices, Aussois, Aussois, France, 1990-06-17 - 1990-06-19
Organisations:
Optoelectronics Research Centre
Identifiers
Local EPrints ID: 77493
URI: http://eprints.soton.ac.uk/id/eprint/77493
PURE UUID: 63b7d00e-593f-4e34-a9e9-e27c8a305f2e
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Date deposited: 11 Mar 2010
Last modified: 13 Mar 2024 23:53
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Contributors
Author:
M.E. Fermann
Author:
P.J. Wells
Author:
L. Li
Author:
L. Dong
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