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研究了傍轴厄米-椭圆高斯光束在强非局域非线性介质中的传输特性.依据强非局域介质响应函数特征宽度远大于光束束宽,对非局域非线性薛定谔方程进行了近似简化,得到了介质响应函数为椭圆对称情形下的强非局域模型.在此基础上利用分离变量法得到了厄米-椭圆高斯空间光孤子解析解及其形成的条件.进一步研究发现,随着厄米-椭圆高斯空间光孤子阶数的增大,光束束宽增大,介质的非局域程度相对减弱;要获得高阶椭圆高斯空间光孤子,必须提高非局域介质的非局域程度.最低阶的厄米-椭圆高斯空间光孤子就是椭圆高斯空间光孤子.

参考文献

[1] Snyder A W,Mitchell D J.Accessible solitons[J].Science,1997,276:1538-1541.
[2] Peccianti M,Conti C,Assanto G,et al.All-optical switching and logic gating with spatial solitons in liquid crystals[J].Appl.Phys.Lett.,2002,81(18):3335-3337.
[3] Long Xuewen,Hu Wei,Guo Qi,et al.Theoretical investigation of propagation of nonlocal spatial soliton in nematic liquid crystals[J].Acta Physica Sinica (物理学报),2007,56(3):1397-1403 (in Chinese).
[4] Rotschild C,Cohen O,Manela O,et al.Solitons in nonlinear media with an infinite range of nonlocality:first observation of coherent elliptic solitons and of Vortex-ring solitons[J].Phys.Rev.Lett.,2005,95(21):213904-1-4.
[5] Huang Chunfu.Nonlocal polychromatic vector solitons[J].Chinese Journal of Quantun Electronics (量子电子学报),2011,28(2):168-171 (in Chinese).
[6] Bai Dongfeng,Guo Qi,Hu Wei.Variational investigation of Hermite-Ganssian beam propagation in nonlocal Kerr media[J].Acta Physica Sinica (物理学报),2008,57(9):5684-5689 (in Chinese).
[7] Zhang Xiaping,Guo Qi.Analytical solution in the Hermite Gaussian form of the beam propagating in the strong nonlocal media[J].Acta Physica Sinica (物理学报),2005,54(7):3178-3182 (in Chinese).
[8] Dai Jihui,Guo Qi.Optical beams in nonlocal nonlinear media:A variational solution of the Laguerre-Gauss form[J].Acta Physica Sinica (物理学报),2008,57(8):5001-5006 (in Chinese).
[9] Zhang Xiaping,Liu Youwem Analytical solution in the Ince-Gaussian form of the beam propagating in the strong nonlocal media[J].Acta Physica Sinica (物理学报),2009,58(12):8332-8338 (in Chinese).
[10] Deng D M,ZhaoX,et al.Hermite-Gaussian breathers and solitons in strongly nonlocal nonlinear media[J].J.Opt.Soc.Am.B,2007,24(9):253-2544.
[11] Hutsebaut X,Cambournac C,et al.Single-component higher-order mode solitons in liquid crystals[J].Phys.Rev.E,2004,69(1):016602-1-9.
[12] Wang Xinghua,Guo Qi.The propagation properties of the elliptically Gaussian beam in strongly nonlocal nonlinear media[J].Acta Physica Sinica (物理学报),2005,54(7):3183-3188 (in Chinese).
[13] Qin Xiaojuan,Guo Qi,Hu Wei,et al.Strongly nonlocal elliptical spatial optical soliton[J].Acta Physica Sinica (物理学报),2006,55(3):1237-1243 (in Chinese).
[14] Carmel R,Oren C.Solitons in nonlinear media with an infinite range of nonlocality:First observation of coherent elliptic solitons and of vortex-ring solitons[J].Phys.Rev.Lett.,2005,95(21):3904-3908.
[15] Guo Qi,Luo B,Yi F,et al.Large phase shift of nonlocal optical spatial solitons[J].Phys.Rev.E,2004,69(1):016602-1-9.
[16] Xie Yiqun,Guo Qi.Interaction between optical spatial solitons in non local Kerr media[J].Acta Physica Sinica (物理学报),2004,53(9):3020-3024 (in Chinese).
[17] Lu Yaxiong,Yu Xuecai,Zhang Xiaoxia.Laser Physics (激光物理)[M].Beijing:Beijing University of Posts and Telecommunications Press,2005:21 (in Chinese).
[18] Li Shaohua,Yang Zhenjun,Hu Wei,et al.Numerical study of Hermite-Gaussian beams in nonlocal thermal media[J].Acta Physica Sinica (物理学报),2011,60(2):024214-1-10 (in Chinese).
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