Saturable Nonlinearity in Photovoltaic-Photorefractive Crystals Under Open-circuit Condition
GUO Ru, LING Zhen-Fang, CHEN Xiao-Hu, ZHANG Guo-Quan, ZHANG Xin-Zheng, WEN Hai-Dong, JIANG Ying, LIU Si-Min
College of Physics Science, Nankai University, Tianjin 300071
Saturable Nonlinearity in Photovoltaic-Photorefractive Crystals Under Open-circuit Condition
GUO Ru;LING Zhen-Fang;CHEN Xiao-Hu;ZHANG Guo-Quan;ZHANG Xin-Zheng;WEN Hai-Dong;JIANG Ying;LIU Si-Min
College of Physics Science, Nankai University, Tianjin 300071
关键词 ：
42.65.Hw ,
42.65.Jx ,
72.40.+w
Abstract ： We show that the refractive index change induced by a focused incident beam with an additional incoherent uniform illumination in photovoltaic-photorefractive crystals under open-circuit condition has a saturable nonlinearity form. The incoherent uniform background illumination can be used to increase the effective dark irradiance. The formation time of the photovoltaic soliton can be decreased by keeping the intensity of the soliton at a higher value without over-saturation by use of the background illumination.
Key words ：
42.65.Hw
42.65.Jx
72.40.+w
出版日期: 2000-11-01
:
42.65.Hw
(Phase conjugation; photorefractive and Kerr effects)
42.65.Jx
(Beam trapping, self-focusing and defocusing; self-phase modulation)
72.40.+w
(Photoconduction and photovoltaic effects)
引用本文:
GUO Ru;LING Zhen-Fang;CHEN Xiao-Hu;ZHANG Guo-Quan;ZHANG Xin-Zheng;WEN Hai-Dong;JIANG Ying;LIU Si-Min. Saturable Nonlinearity in Photovoltaic-Photorefractive Crystals Under Open-circuit Condition[J]. 中国物理快报, 2000, 17(11): 804-805.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2000/V17/I11/804
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