Screening-photovoltaic spatial solitons illuminated by e-polarized incoherent uniform background irradiation with a divider resistance

JI Xuan-mang; JIANG Qi-chang; LIU Jin-song

doi:10.3969/j.issn.1001-3806.2012.01.015

LASER TECHNOLOGY > 2012 > 36(1): 54-58. > DOI: 10.3969/j.issn.1001-3806.2012.01.015

JI Xuan-mang, JIANG Qi-chang, LIU Jin-song. Screening-photovoltaic spatial solitons illuminated by e-polarized incoherent uniform background irradiation with a divider resistance[J]. LASER TECHNOLOGY, 2012, 36(1): 54-58. DOI: 10.3969/j.issn.1001-3806.2012.01.015

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Screening-photovoltaic spatial solitons illuminated by e-polarized incoherent uniform background irradiation with a divider resistance

1.
Department of Physics and Electronic Engineering, Yuncheng University, Yuncheng 044000, China;
2.
College of Optoelectronic Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China

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Received Date: April 17, 2011
Revised Date: May 03, 2011
Published Date: January 24, 2012

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Abstract

Abstract

In order to obtain a divider resistance and e-polarized incoherent uniform background irradiation effect on the screening-photovoltaic spatial solitons,a universal spatial soliton theory in photovoltaic photorefractive crystals illuminated by e-polarized incoherent uniform background irradiation with a divider resistance was put forward.The effect of a divider resistance and e-polarized incoherent uniform background irradiation on the full width of half maximum(FWHM) of solitons were simulated.The numerical results show that the FWHM of the solitons decreases with increasing of divider coefficient.The background irradiation has a paltry influence on the solitons when the ratio of the intensity of the e-polarized background irradiation to dark irradiance is small.The FWHM of solitons increases with increasing of the intensity of background irradiation when the ratio is bigger.All kinds of the spatial soliton can be obtained from this theory by adjusting the value of the divider resistance,e-polarized background irradiation,the biased electric field and photovoltaic electric field.
- nonlinear optics,
- photorefractive effect,
- spatial soliton,
- divider resistance,
- e-polarized background irradiation

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