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Effect of domain structure fluctuations on the photorefractive response of periodically poled lithium niobate

Effect of domain structure fluctuations on the photorefractive response of periodically poled lithium niobate
Effect of domain structure fluctuations on the photorefractive response of periodically poled lithium niobate
We analyze theoretically the photorefractive response of periodically poled lithium niobate (PPLN) taking into account spatial fluctuations of its domain structure. It is shown that these fluctuations strongly affect the amplitude of space-charge field in the limit of small photorefractive grating vectors. The behavior of the nonlinear response in this limit is controlled by the root-mean-square of the spatial fluctuations of the domain structure. In the limit of large grating vectors, the nonlinear response is not sensitive to deviations from the ideal periodic geometry. The results obtained can be useful for the interpretation of photorefractive experiments and the formulation of requirements for the fabrication of photorefractive PPLN samples.
13182-13187
Podivilov, E.V.
1354a6b6-f8a6-4d09-8113-64c75fd4f64b
Sturman, B.I.
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Calvo, G.F.
6d8ff3c0-84a1-4ac5-af67-8f1528752f6b
Agulló-López, F.
e4ac92e4-52a0-4b37-aa3d-c5b7ea7b9150
Carrascosa, M.
661e19ed-3fd4-4dfd-8d30-a46f9e481df5
Pruneri, V.
0e97eb94-b682-409f-a107-ae6b84763f02
Podivilov, E.V.
1354a6b6-f8a6-4d09-8113-64c75fd4f64b
Sturman, B.I.
54d00882-d946-4a45-a1b3-944cfe417a75
Calvo, G.F.
6d8ff3c0-84a1-4ac5-af67-8f1528752f6b
Agulló-López, F.
e4ac92e4-52a0-4b37-aa3d-c5b7ea7b9150
Carrascosa, M.
661e19ed-3fd4-4dfd-8d30-a46f9e481df5
Pruneri, V.
0e97eb94-b682-409f-a107-ae6b84763f02

Podivilov, E.V., Sturman, B.I., Calvo, G.F., Agulló-López, F., Carrascosa, M. and Pruneri, V. (2000) Effect of domain structure fluctuations on the photorefractive response of periodically poled lithium niobate. Physical Review, B, 62 (19), 13182-13187. (doi:10.1103/PhysRevB.62.13182).

Record type: Article

Abstract

We analyze theoretically the photorefractive response of periodically poled lithium niobate (PPLN) taking into account spatial fluctuations of its domain structure. It is shown that these fluctuations strongly affect the amplitude of space-charge field in the limit of small photorefractive grating vectors. The behavior of the nonlinear response in this limit is controlled by the root-mean-square of the spatial fluctuations of the domain structure. In the limit of large grating vectors, the nonlinear response is not sensitive to deviations from the ideal periodic geometry. The results obtained can be useful for the interpretation of photorefractive experiments and the formulation of requirements for the fabrication of photorefractive PPLN samples.

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Published date: 2000
Organisations: Optoelectronics Research Centre

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Local EPrints ID: 13630
URI: http://eprints.soton.ac.uk/id/eprint/13630
PURE UUID: f64440e2-b979-45e2-8b85-9403f59c4ff2

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Date deposited: 11 Jan 2005
Last modified: 15 Mar 2024 05:08

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Contributors

Author: E.V. Podivilov
Author: B.I. Sturman
Author: G.F. Calvo
Author: F. Agulló-López
Author: M. Carrascosa
Author: V. Pruneri

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