Dromion Excitations in Self-Defocusing Optical Media
CUI Wei-Na, SUN Chun-Liu, HUANG Guo-Xiang
Department of Physics and Key Laboratory for Optical and Magnetic Resonance Spectroscopy, East China Normal University, Shanghai 200062
Dromion Excitations in Self-Defocusing Optical Media
CUI Wei-Na;SUN Chun-Liu;HUANG Guo-Xiang
Department of Physics and Key Laboratory for Optical and Magnetic Resonance Spectroscopy, East China Normal University, Shanghai 200062
关键词 ：
42.65.Tg ,
42.81.Dp ,
05.45.Yv
Abstract ： We investigate the nonlinear dynamics of multi-dimensional optical pulses propagating in an isotropic self-defocusing medium. Using a method of multiple-scales we show that the nonlinear evolution of the pulses is governed by Davey-Stewartson equations. Dromion-like nonlinear localized structures (high-dimensional optial solitons) excited from a continuous wave background and decaying in all spatial directions are predicted through the interaction between a wave-packet superposed by short-wavelength components and a long-wavelength mean field generated by an optical rectification.
Key words ：
42.65.Tg
42.81.Dp
05.45.Yv
出版日期: 2003-02-01
:
42.65.Tg
(Optical solitons; nonlinear guided waves)
42.81.Dp
(Propagation, scattering, and losses; solitons)
05.45.Yv
(Solitons)
引用本文:
CUI Wei-Na;SUN Chun-Liu;HUANG Guo-Xiang. Dromion Excitations in Self-Defocusing Optical Media[J]. 中国物理快报, 2003, 20(2): 246-249.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2003/V20/I2/246
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