含电阻和e偏振背景光光折变屏蔽光伏孤子

吉选芒; 姜其畅; 刘劲松

doi:10.3969/j.issn.1001-3806.2012.01.015

含电阻和e偏振背景光光折变屏蔽光伏孤子

1.
山西运城学院物理与电子工程系, 运城 044000;
2.
华中科技大学光电子科学与工程学院, 武汉 430074

作者简介: 吉选芒(1965- ),男,教授,工学硕士,从事物理教学与光折变非线性光学方而的研究.E-mail:jixuanmang@126.com.

基金项目:
山西省自然科学基金资助项目(2011011003-2)
中图分类号: O437

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
CLC number: O437

摘要: 为了得到分压电阻和e偏振非相干均匀背景光对屏蔽光伏孤子影响的结果,建立了有分压电阻和e偏振非相干均匀背景光辐照下光伏光折变晶体中的空间孤子的理论.数值分析了分压电阻和e偏振非相干均匀背景光对孤子半峰全宽的影响.结果表明,亮、暗和灰孤子的半峰全宽随分压系数增大(分压电阻减小)而减小;当e偏振背景光与暗辐射强度的比值不太大时,背景光对孤子的影响可忽略不计;当背景光与暗辐射强度比值过大时,孤子的半峰全宽随背景光的增加而增大;当分压电阻、e偏振背景光、晶体外加电场和晶体的光伏场取不同值时,不同的条件下的单光子光折变空间孤子都可得到.
- 非线性光学 /
- 光折变效应 /
- 空间孤子 /
- 分压电阻 /
- e偏振背景光
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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含电阻和e偏振背景光光折变屏蔽光伏孤子

作者简介: 吉选芒(1965- ),男,教授,工学硕士,从事物理教学与光折变非线性光学方而的研究.E-mail:jixuanmang@126.com.

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

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含电阻和e偏振背景光光折变屏蔽光伏孤子

作者简介: 吉选芒(1965- ),男,教授,工学硕士,从事物理教学与光折变非线性光学方而的研究.E-mail:jixuanmang@126.com

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

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含电阻和e偏振背景光光折变屏蔽光伏孤子

作者简介: 吉选芒(1965- ),男,教授,工学硕士,从事物理教学与光折变非线性光学方而的研究.E-mail:jixuanmang@126.com.

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

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含电阻和e偏振背景光光折变屏蔽光伏孤子

作者简介: 吉选芒(1965- ),男,教授,工学硕士,从事物理教学与光折变非线性光学方而的研究.E-mail:jixuanmang@126.com

English Abstract

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

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