激光技术2012，Vol.36Issue(4)：445-449,5.DOI:10.3969/j.issn.1001-3806.2012.04.004
o偏振光对光折变屏蔽光伏空间孤子的影响
Effect of the o-polarized irradiation on the screening-photovoltaic photorefractive spatial solitons
摘要
Abstract
In order to study effect of the o-polarized irradiation on the screening-photovoltaic spatial solitons, the theory of screening-photovoltaic spatial solitons was established based on the one-photon photorefractive effect. The optical circuit includes a divider resistance and an o-polarized uniform background beam. The numerical results show that the dark solitons can be obtained for the proper values of biased field and photovoltaic field and the bright solitons can also be obtained by only changing the value of effective glass coefficient between o-background beam and soli ton beam while the other parameters remain unchanged. The intensity full width at half maximum ( FWHM) of solitons increases with the increase of the ratio of the o-background beam intensity to the dark-irradiation intensity. Similarly, the FWHM of solitons will also increase with the ratio of cross section of the o-background beam to that of the soliton beam. The paper gives a new scheme of the transformation of a dark soliton into a Bright soliton in photorefractive crystal.关键词
非线性光学/光折变效应/空间孤子/o偏振背景光Key words
nonlinear optics/photorefractive effect/spatial soliton/o-polarized background irradiation分类
数理科学引用本文复制引用
吉选芒,姜其畅,刘劲松..o偏振光对光折变屏蔽光伏空间孤子的影响[J].激光技术,2012,36(4):445-449,5.基金项目
山西省自然科学基金资助项目(2011011003-2) （2011011003-2）
