为了研究非相干耦合亮-暗孤子族的特性,采用数值模拟的方法,求解孤波耦合方程,在综合考虑线性和二次电光效应的情况下,分析了亮-暗孤子族的稳态解和传播特性.结果表明:当外加电场为正值时,系统所支持的亮-暗孤子族中,各亮孤子分量的强度之和略大于暗孤子分量的强度之和,此时,线性和二次电光效应所导致的非线性是相互增强的.当外加电场为负值时,系统所支持的亮-暗孤子族中,各亮孤子分量的强度之和略小于暗孤子分量的强度之和,此时,线性和二次电光效应所导致的非线性是相互抵消的.此外,亮-暗孤子族中的各个分量均可以稳定传输.
参考文献
| [1] | She WL;Xu CC;Guo B;Lee WK.Formation of photovoltaic bright spatial soliton in photorefractive LiNbO3 crystal by a defocused laser beam induced by a background laser beam[J].Journal of the Optical Society of America, B. Optical Physics,200610(10):2121-2126. |
| [2] | Liu Jinsong;Lu Keqing.Screening-photovoltaic spatial solitons in biased photovoltaic-photorefractive crystals and their self-deflection[J].Journal of the Optical Society of America, B. Optical Physics,19994(4):550-555. |
| [3] | Fazio E;Renzi F;Rinaldi R;Bertolotti M;Chauvet M;Ramadan W;Petris A;Vlad VI.Screening-photovoltaic bright solitons in lithium niobate and associated single-mode waveguides[J].Applied physics letters,200412(12):2193-2195. |
| [4] | 吉选芒;姚纪欢;姜其畅;刘劲松.双光子独立屏蔽光伏孤子对的演化和自偏转[J].激光技术,2012(2):165-169. |
| [5] | 吉选芒;姜其畅;刘劲松.光折变非相干耦合空间孤子族统一理论[J].物理学报,2012(7):222-231. |
| [6] | DelRe E.;Tamburrini M.;Segev M.;Mitchell M.;Refaeli E. Agranat AJ.;Crosignani B..One-dimensional steady-state photorefractive spatial solitons in centrosymmetric paraelectric potassium lithium tantalate niobate[J].Optics Letters,19986(6):421-423. |
| [7] | Kaiyun Zhan;Chunfeng Hou;Hao Tian;Yu Zhang.Incoherently coupled Gaussian soliton pairs in biased centrosymmetric photorefractive crystals[J].Optics & Laser Technology,20107(7):1176-1179. |
| [8] | Kaiyun Zhan;Chunfeng Hou;Yu Zhang.Incoherently coupled spatial soliton families in centrosymmetric two-photon photorefractive crystals[J].Journal of optics, A. Pure and applied optics: journal of the European Optical Society,20103(3):035208:1-035208:5. |
| [9] | Wan XM;Wang DY;Zhao XY;Luo HS;Chan HLW;Choy CL.Electro-optic characterization of tetragonal (1-x)Pb(Mg1/3Nb2/3)O-3-xPbTiO(3) sIngle crystals by a modified Senarmont setup[J].Solid State Communications,20058(8):547-551. |
| [10] | 贾红;孙亮.掺铁铌镁酸铅-钛酸铅单晶的光折变效应[J].中国科学（物理学 力学 天文学）,2012(4):333-338. |
| [11] | Hao, Lili;Wang, Qiang;Hou, Chunfeng.Incoherently coupled spatial soliton pairs due to both the linear and quadratic electro-optic effects[J].Journal of Modern Optics,20152/3(2/3):205-211. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%