Separate Holographic-Hamiltonian screening soliton pairs in a biased series photorefractive crystal circuit

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• 作者：Xin Cai^a ; ^b ; JinSong Liu^a ; ^{jsliu4508@vip.sina.com} ; ShengLie Wang^a
• 关键词：Photorefractive nonlinear optics ; Spatial optical solitons ; Hamiltonian screening solitons ; Holographic screening solitons ; Soliton pairs
• 刊名：Optik - International Journal for Light and Electron Optics
• 出版年：2012
• 期刊代码：13_00304026
• 类别：et
• 出版时间：July, 2012
• 卷：123
• 期：13
• 页码：1171-1176
• 文件大小：467 K

摘要

Separate Holographic-Hamiltonian screening soliton pairs are predicted in a biased series photorefractive crystal circuit consisting of two photorefractive crystals connected electronically by electrode leads in a chain with a voltage source. The existence of four types of the separate soliton pairs: dark-dark, bright-dark, dark-bright and bright-bright in such a circuit is proved. Under the limit in which the spatial extent of the optical wave is much less than the width of the crystal, the Hamiltonian dark soliton can affect the other soliton by the light-induced current whereas the Hamiltonian bright soliton and holographic soliton cannot affect the other soliton in the soliton pair.