Propagation of bright femtosecond pulses in a nonlinear optical fibre with the third- and fourth-order dispersions

doi:10.1088/1009-1963/16/6/006

中国物理B ›› 2007, Vol. 16 ›› Issue (6): 1526-1533.doi: 10.1088/1009-1963/16/6/006

Propagation of bright femtosecond pulses in a nonlinear optical fibre with the third- and fourth-order dispersions

敖胜美, 颜家壬, 俞慧友

College of Physics and Information Science, Hunan normal University, Changsha 410081, China

收稿日期:2006-08-17 修回日期:2006-12-28 出版日期:2007-06-20 发布日期:2007-06-20
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No 10375022) and the Education Department of Hunan Province (Grant No 05C414).

Propagation of bright femtosecond pulses in a nonlinear optical fibre with the third- and fourth-order dispersions

Ao Sheng-Mei(敖胜美), Yan Jia-Ren(颜家壬)^†, and Yu Hui-You(俞慧友)

College of Physics and Information Science, Hunan normal University, Changsha 410081, China

Received:2006-08-17 Revised:2006-12-28 Online:2007-06-20 Published:2007-06-20
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No 10375022) and the Education Department of Hunan Province (Grant No 05C414).

摘要/Abstract

摘要： We solve the generalized nonlinear Schr\"{o}dinger equation describing the propagation of femtosecond pulses in a nonlinear optical fibre with higher-order dispersions by using the direct approach to perturbation for bright solitons, and discuss the combined effects of the third- and fourth-order dispersions on velocity, temporal intensity distribution and peak intensity of femtosecond pulses. It is noticeable that the combined effects of the third- and fourth-order dispersions on an initial propagated soliton can partially compensate each other, which seems to be significant for the stability controlling of soliton propagation features.

关键词: femtosecond pulse, nonlinear optical fibre, higher-order dispersion

Abstract: We solve the generalized nonlinear Schr?dinger equation describing the propagation of femtosecond pulses in a nonlinear optical fibre with higher-order dispersions by using the direct approach to perturbation for bright solitons, and discuss the combined effects of the third- and fourth-order dispersions on velocity, temporal intensity distribution and peak intensity of femtosecond pulses. It is noticeable that the combined effects of the third- and fourth-order dispersions on an initial propagated soliton can partially compensate each other, which seems to be significant for the stability controlling of soliton propagation features.

Key words: femtosecond pulse, nonlinear optical fibre, higher-order dispersion

中图分类号: (Propagation, scattering, and losses; solitons)

42.81.Dp

42.65.Tg (Optical solitons; nonlinear guided waves)

敖胜美, 颜家壬, 俞慧友. Propagation of bright femtosecond pulses in a nonlinear optical fibre with the third- and fourth-order dispersions[J]. 中国物理B, 2007, 16(6): 1526-1533.

Ao Sheng-Mei(敖胜美), Yan Jia-Ren(颜家壬), and Yu Hui-You(俞慧友). Propagation of bright femtosecond pulses in a nonlinear optical fibre with the third- and fourth-order dispersions[J]. Chinese Physics, 2007, 16(6): 1526-1533.

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Propagation of bright femtosecond pulses in a nonlinear optical fibre with the third- and fourth-order dispersions

Propagation of bright femtosecond pulses in a nonlinear optical fibre with the third- and fourth-order dispersions

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