外加电场光折变有机聚合物串联回路中独立空间孤子对

吉选芒; 姜其畅; 刘劲松

doi:10.7498/aps.60.034212

摘要

对外加电场光折变有机聚合物串联回路中独立空间孤子对进行了理论研究,导出了在光折变有机聚合物串联回路中两光束传播的耦合方程,证明了串联回路中存在暗-暗、明-暗和明-明三种独立空间孤子对.在光束的空间展宽远小于有机聚合物宽度的极限条件下,暗-暗孤子对之间孤子入射光强的改变可相互影响到对方的包络和动态演化.对于明-暗孤子对,暗孤子通过光电流能影响明孤子,但明孤子不能影响暗孤子.明-明孤子对之间没有影响.

关键词:

Abstract

This paper presents calculations based on the idea of photorefractive polymer spatial solitons, namely, screening solitons being formed in a biased series photorefractive polymer circuit consisting of two photorefractive polymer connected electronically by electrode leads in a chain with a voltage source. A system of two coupled equations is derived under appropriate conditions for two-beam propagation in the series photorefractive polymer circuit. The existence of dark-dark, bright-dark and bright-bright photorefractive polymer soliton pairs in such a circuit is proved. In the limit in which the optical wave has a spatial extent much less than the width of the photorefractive polymer, the two solitons in dark-dark soliton pairs can affect each other’s spatial profiles and the dynamical evolution by the light-induced current. For a bright-dark soliton pair, the dark soliton can affect the other soliton by light-induced current, but the bright soliton cannot. The two solitons in bright-bright soliton pairs cannot affect each other.

Keywords:

作者及机构信息

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

基金项目: 山西省高等学校科技开发基金(批准号:200611042)资助的课题.

Authors and contacts

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

参考文献

[1]	Segev M, Crosignani B, Yariv A,Fischer B 1992 Phys.Rev.Lett.68 923
[2]	Christodoulides D N, Carvalho M I 1995 J. Opt. Soc. Am. B 12 1628
[3]	She W L, Lee W K 2001 Acta Phys.Sin.50 886(in Chinese) [佘卫龙、李荣基 2001 50 886]
[4]	Liu J S, Lu K Q 1998 Acta Phys.Sin.47 1059 (in Chinese) [刘劲松、卢克清 1998 47 1509]
[5]	Segev M, Valley G C, Bashaw M C, Taya M, Fejer M M 1997 J. Opt. Soc. Am. B 14 1772
[6]	Wang X S, She W L 2002 Acta Phys. Sin. 51 573(in Chinese) [王晓生、佘卫龙 2002 51 573]
[7]	Hou C F, Yuan B H, Sun X D 2000 Acta Phys. Sin. 49 969(in Chinese)[侯春凤、袁保红、孙晓冬 2000 49 969]
[8]	Ji X M, Wang J L, Liu J S, An Y Y 2004 Laser Technology 28 386(in Chinese)[吉选芒、王金来、刘劲松、安毓英激光技术 28 386]
[9]	Cui H, Zhang B Z, She W L 2010 Acta Phys. Sin. 59 1823(in Chinese)[崔虎、张冰志、佘卫龙 2010 59 1823]
[10]	Zhang Y Q, Lu K Q, Zhang L, Zhang M Z, Li K H 2008 Acta Phys. Sin. 57 6354(in Chinese)[张贻齐、卢克清、张磊、张美志、李可昊 2008 57 6354]
[11]	Ji X M, Jiang Q C, Liu J S 2010 Acta Phys. Sin. 59 4701(in Chinese)[吉选芒、姜其畅、刘劲松 2010 59 4701]
[12]	Cohen O, Carmon T, Segev M, Odoulov S 2002 Opt. Lett. 27 2031
[13]	Liu J S 2004 Acta Phys. Sin. 53 3014(in Chinese)[刘劲松 2004 53 3014]
[14]	Zhang G Y, Liu J S, Liu S X, Zhang H L,Wang C 2007 Acta Phys.Sin.56 3266(in Chinese)[张光勇、刘劲松、刘时雄、张绘蓝、王程 2007 56 3266]
[15]	Hou C F, Pei Y B, Zhou Z X, Sun X D 2005 Phys. Rev. A 71 053871
[16]	Zhang Y, Hou C F, Sun X D 2007 Chin. Phys. 16 159
[17]	Zhang G Y, Liu J S 2009 J. Opt. Soc. Am. B 26 113
[18]	Liu J S, Hao Z H 2002 Phys. Rev. E. 65 066601
[19]	Liu J S 2002 Phys. Lett. A 300 213
[20]	Ji X M, Jiang Q C, Yao J H, Liu J S 2010 Optics and Laser Technology 42 322
[21]	Liphardt M, Goonesekera A, Jones B E, Ducharme S, Takacs J M, Zhang L 1994 Science 263 367
[22]	Ducharame S, Scott J C, Twieg R J, Moemer W E 1991 Phys. Rev. Lett. 66 1846
[23]	Moerner W E, Silence S M 1994 Chem. Rev. 94 127
[24]	Shih M F, Sheu F W 1999 Opt. Lett. 24 1852
[25]	Hou C F,Abdurusul,Du C G,Sun X D,Li S Q 2001 Acta Phys.Sin.50 2159(in Chinese)[侯春风、阿不都热苏力、杜春光、李师群 2001 50 2159]
[26]	Hou C F,Jiang Y Y,Yuan B H,Sun X D,Bu C G,Li S Q 2002 Optical Materials 19 377

施引文献

[1]	Segev M, Crosignani B, Yariv A,Fischer B 1992 Phys.Rev.Lett.68 923
[2]	Christodoulides D N, Carvalho M I 1995 J. Opt. Soc. Am. B 12 1628
[3]	She W L, Lee W K 2001 Acta Phys.Sin.50 886(in Chinese) [佘卫龙、李荣基 2001 50 886]
[4]	Liu J S, Lu K Q 1998 Acta Phys.Sin.47 1059 (in Chinese) [刘劲松、卢克清 1998 47 1509]
[5]	Segev M, Valley G C, Bashaw M C, Taya M, Fejer M M 1997 J. Opt. Soc. Am. B 14 1772
[6]	Wang X S, She W L 2002 Acta Phys. Sin. 51 573(in Chinese) [王晓生、佘卫龙 2002 51 573]
[7]	Hou C F, Yuan B H, Sun X D 2000 Acta Phys. Sin. 49 969(in Chinese)[侯春凤、袁保红、孙晓冬 2000 49 969]
[8]	Ji X M, Wang J L, Liu J S, An Y Y 2004 Laser Technology 28 386(in Chinese)[吉选芒、王金来、刘劲松、安毓英激光技术 28 386]
[9]	Cui H, Zhang B Z, She W L 2010 Acta Phys. Sin. 59 1823(in Chinese)[崔虎、张冰志、佘卫龙 2010 59 1823]
[10]	Zhang Y Q, Lu K Q, Zhang L, Zhang M Z, Li K H 2008 Acta Phys. Sin. 57 6354(in Chinese)[张贻齐、卢克清、张磊、张美志、李可昊 2008 57 6354]
[11]	Ji X M, Jiang Q C, Liu J S 2010 Acta Phys. Sin. 59 4701(in Chinese)[吉选芒、姜其畅、刘劲松 2010 59 4701]
[12]	Cohen O, Carmon T, Segev M, Odoulov S 2002 Opt. Lett. 27 2031
[13]	Liu J S 2004 Acta Phys. Sin. 53 3014(in Chinese)[刘劲松 2004 53 3014]
[14]	Zhang G Y, Liu J S, Liu S X, Zhang H L,Wang C 2007 Acta Phys.Sin.56 3266(in Chinese)[张光勇、刘劲松、刘时雄、张绘蓝、王程 2007 56 3266]
[15]	Hou C F, Pei Y B, Zhou Z X, Sun X D 2005 Phys. Rev. A 71 053871
[16]	Zhang Y, Hou C F, Sun X D 2007 Chin. Phys. 16 159
[17]	Zhang G Y, Liu J S 2009 J. Opt. Soc. Am. B 26 113
[18]	Liu J S, Hao Z H 2002 Phys. Rev. E. 65 066601
[19]	Liu J S 2002 Phys. Lett. A 300 213
[20]	Ji X M, Jiang Q C, Yao J H, Liu J S 2010 Optics and Laser Technology 42 322
[21]	Liphardt M, Goonesekera A, Jones B E, Ducharme S, Takacs J M, Zhang L 1994 Science 263 367
[22]	Ducharame S, Scott J C, Twieg R J, Moemer W E 1991 Phys. Rev. Lett. 66 1846
[23]	Moerner W E, Silence S M 1994 Chem. Rev. 94 127
[24]	Shih M F, Sheu F W 1999 Opt. Lett. 24 1852
[25]	Hou C F,Abdurusul,Du C G,Sun X D,Li S Q 2001 Acta Phys.Sin.50 2159(in Chinese)[侯春风、阿不都热苏力、杜春光、李师群 2001 50 2159]
[26]	Hou C F,Jiang Y Y,Yuan B H,Sun X D,Bu C G,Li S Q 2002 Optical Materials 19 377

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