| Three—Wave Resonant Interactions in Self—Defocusing Optical Media |
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| 引用本文： | 崔维娜,黄国翔,孙春柳.Three—Wave Resonant Interactions in Self—Defocusing Optical Media[J].中国物理快报,2003,20(8):1279-1282. |
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| 作者姓名： | 崔维娜 黄国翔 孙春柳 |
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| 作者单位： | DepartmentofPhysicsandKeyLaboratoryforOpticalandMagneticResonanceSpectroscopy,EastChinaNormalUniversity,Shanghai200062 |
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| 摘 要： | A three-wave resonant interaction for nonlinear excitations created from a continuous-wave background is shownto be possible in an isotropic optical medium with a self-defocusing cubic nonlinearity. Under suitable phase-matching conditions the nonlinear envelope equations for the resonant interaction are derived by using a methodof multiple-scales. Some explicit three-wave solitary wave and lump solutions are discussed.
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| 关 键 词： | 光孤子 非线性光学 光自散焦介质 谐振 相互作用 暗孤子 |
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