One-dimensional nonparaxial bright solitons and their coherent interactions in Kerr media

doi:10.1088/1674-1056/19/8/084207

中国物理B ›› 2010, Vol. 19 ›› Issue (8): 84207-084207.doi: 10.1088/1674-1056/19/8/084207

One-dimensional nonparaxial bright solitons and their coherent interactions in Kerr media

王红成, 朱德海, 凌东雄

College of Electronic Engineering, Dongguan University of Technology, Dongguan 523808, China

收稿日期:2010-03-10 修回日期:2010-03-31 出版日期:2010-08-15 发布日期:2010-08-15
基金资助:
Project supported by the Dongguan Science and Technology Program, Guangdong Province, China (Grant No. 200910814038).

One-dimensional nonparaxial bright solitons and their coherent interactions in Kerr media

Wang Hong-Cheng(王红成)^†, Zhu De-Hai(朱德海), and Ling Dong-Xiong(凌东雄)

College of Electronic Engineering, Dongguan University of Technology, Dongguan 523808, China

Received:2010-03-10 Revised:2010-03-31 Online:2010-08-15 Published:2010-08-15
Supported by:
Project supported by the Dongguan Science and Technology Program, Guangdong Province, China (Grant No. 200910814038).

摘要/Abstract

摘要： The existence of one-dimensional bright Kerr solitons is investigated in Kerr media beyond the paraxial approximation. It is found that a nonparaxial soliton with no less than a minimum dimensionless width of about 0.76 can exist, which corresponds to the real width about a wavelength. Besides, the coherent interactions between two nonparaxial bright solitons in Kerr media are also investigated in detail. It is found that their separation and intensity ratio have great influence on the coherent interaction between these two solitons. Furthermore, the effect of the relative phase difference on the nonparaxial interaction is quite different from that on the paraxial interaction. Periodical breath, merging, repulsion, and energy transferring can be realized separately by choosing an appropriate initial relative phase between the coherent solitons.

Abstract: The existence of one-dimensional bright Kerr solitons is investigated in Kerr media beyond the paraxial approximation. It is found that a nonparaxial soliton with no less than a minimum dimensionless width of about 0.76 can exist, which corresponds to the real width about a wavelength. Besides, the coherent interactions between two nonparaxial bright solitons in Kerr media are also investigated in detail. It is found that their separation and intensity ratio have great influence on the coherent interaction between these two solitons. Furthermore, the effect of the relative phase difference on the nonparaxial interaction is quite different from that on the paraxial interaction. Periodical breath, merging, repulsion, and energy transferring can be realized separately by choosing an appropriate initial relative phase between the coherent solitons.

Key words: spatial soliton, nonparaxial soliton, coherent interaction

中图分类号: (Phase conjugation; photorefractive and Kerr effects)

42.65.Hw

42.65.Tg (Optical solitons; nonlinear guided waves)

王红成, 朱德海, 凌东雄. One-dimensional nonparaxial bright solitons and their coherent interactions in Kerr media[J]. 中国物理B, 2010, 19(8): 84207-084207.

Wang Hong-Cheng(王红成), Zhu De-Hai(朱德海), and Ling Dong-Xiong(凌东雄). One-dimensional nonparaxial bright solitons and their coherent interactions in Kerr media[J]. Chin. Phys. B, 2010, 19(8): 84207-084207.

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One-dimensional nonparaxial bright solitons and their coherent interactions in Kerr media

One-dimensional nonparaxial bright solitons and their coherent interactions in Kerr media

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