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Photorefractive enhancement of degenerate four-wave mixing reflectivity in BSO

Photorefractive enhancement of degenerate four-wave mixing reflectivity in BSO
Photorefractive enhancement of degenerate four-wave mixing reflectivity in BSO
A method of enhancing the degenerate four-wave mixing (DFWM) conjugate reflectivity in photorefractive BSO is described, which uses an auxiliary beam of different wavelength to modify the local conductivity inside the crystal. With an applied external electric field of 6 kV cm-1, and small diameter DFWM beams, the auxiliary enhancing beam is used to increase local conductivity and hence drop essentially the entire voltage across the small DFWM region producing local fields of ~30 kV cm-1. A simple model is derived for three separate experimental configurations, and the predictions are compared with experimental results using yellow and blue beams for DFWM and enhancing beams respectively.
0950-0340
491-503
Eason, R.W.
e38684c3-d18c-41b9-a4aa-def67283b020
Vainos, N.A.
e4f22637-2f1c-4dec-af67-d059261dd5b2
Eason, R.W.
e38684c3-d18c-41b9-a4aa-def67283b020
Vainos, N.A.
e4f22637-2f1c-4dec-af67-d059261dd5b2

Eason, R.W. and Vainos, N.A. (1988) Photorefractive enhancement of degenerate four-wave mixing reflectivity in BSO. Journal of Modern Optics, 35 (3), 491-503. (doi:10.1080/09500348814550511).

Record type: Article

Abstract

A method of enhancing the degenerate four-wave mixing (DFWM) conjugate reflectivity in photorefractive BSO is described, which uses an auxiliary beam of different wavelength to modify the local conductivity inside the crystal. With an applied external electric field of 6 kV cm-1, and small diameter DFWM beams, the auxiliary enhancing beam is used to increase local conductivity and hence drop essentially the entire voltage across the small DFWM region producing local fields of ~30 kV cm-1. A simple model is derived for three separate experimental configurations, and the predictions are compared with experimental results using yellow and blue beams for DFWM and enhancing beams respectively.

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Published date: 1988

Identifiers

Local EPrints ID: 196261
URI: https://eprints.soton.ac.uk/id/eprint/196261
ISSN: 0950-0340
PURE UUID: bc0db28b-7cc6-4927-97f4-0c1fe46d9265
ORCID for R.W. Eason: ORCID iD orcid.org/0000-0001-9704-2204

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Date deposited: 06 Sep 2011 08:43
Last modified: 17 Oct 2019 00:39

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