Three-Wave Resonant Interactions in Self-Defocusing Optical Media

• 来源期刊: 中国物理快报（英文版）
• 年，卷（期）: 2003,（8）
• 页码范围: 1279-1282
• 页数: 4页
• 语种: 英文

摘要

A three-wave resonant interaction for nonlinear excitations created from a continuous-wave background is shown to be possible in an isotropic optical medium with a self-defocusing cubic nonlinearity. Under suitable phasematching conditions the nonlinear envelope equations for the resonant interaction are derived by using a method of multiple-scales. Some explicit three-wave solitary wave and lump solutions are discussed.