Coupling effects for grey separate spatial solitons in a biased series photorefractive crystal circuit with both the linear and quadratic electro-optic effects

The existence and coupling of grey–grey separate spatial solitons in a biased series photorefractive crystal circuit with both the linear and quadratic non-linearity is investigated in this paper. The numerical solution of the grey–grey separate spatial solitons is presented. The effect of coupling...

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Bibliographic Details
Published inOptical and quantum electronics Vol. 49; no. 1; pp. 1 - 9
Main Authors Katti, Aavishkar, Yadav, R. A.
Format Journal Article
LanguageEnglish
Published New York Springer US 2017
Springer Nature B.V
Subjects
Characterization and Evaluation of Materials
Circuits
Computer Communication Networks
Coupling
Crystals
Electrical Engineering
Lasers
Linearity
Optical Devices
Optics
Photonics
Photorefractive crystals
Photorefractivity
Physics
Physics and Astronomy
Solitary waves
Photorefractive crystal circuit
Optical spatial solitons
Photorefractive effect
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Summary:The existence and coupling of grey–grey separate spatial solitons in a biased series photorefractive crystal circuit with both the linear and quadratic non-linearity is investigated in this paper. The numerical solution of the grey–grey separate spatial solitons is presented. The effect of coupling between the two separate spatial solitons and the influence on each soliton due to the input intensity and crystal’s temperature is analysed. Changing the intensity of the soliton in one crystal affects the soliton in both crystals due to flow of the light induced current through the circuit. Also, the effect of changing the temperature of one crystal affects the soliton in both crystals due to the coupling effect. The soliton width dependence on the temperature is different for each crystal.
ISSN:0306-8919
1572-817X
DOI:10.1007/s11082-016-0887-1