Numerical investigation of slow solitons in Bragg gratings with a hyperbolic tangent apodization

doi:10.1088/1674-1056/20/3/034210

中国物理B ›› 2011, Vol. 20 ›› Issue (3): 34210-034210.doi: 10.1088/1674-1056/20/3/034210

• CLASSICAL AREAS OF PHENOMENOLOGY • 上一篇下一篇

Numerical investigation of slow solitons in Bragg gratings with a hyperbolic tangent apodization

王葵如, 程洁琳, 桑新柱, 陈功

Key Laboratory of Information Photonics and Optical Communications of Ministry of Education, Beijing University of Posts and Telecommunications, Beijing 100876, China

收稿日期:2010-06-01 修回日期:2010-07-22 出版日期:2011-03-15 发布日期:2011-03-15
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No. 60677003).

Numerical investigation of slow solitons in Bragg gratings with a hyperbolic tangent apodization

Wang Kui-Ru(王葵如)^†, Cheng Jie-Lin(程洁琳), Sang Xin-Zhu(桑新柱), and Chen Gong(陈功)

Key Laboratory of Information Photonics and Optical Communications of Ministry of Education, Beijing University of Posts and Telecommunications, Beijing 100876, China

Received:2010-06-01 Revised:2010-07-22 Online:2011-03-15 Published:2011-03-15
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No. 60677003).

摘要/Abstract

摘要： This paper numerically and analytically investigates the formation and propagation motion of optical soliton in the Bragg grating. We choose the fibre Bragg grating with hyperbolic tangent apodization in the middle section in order to obtain slower solitons. Optical fibre soliton but not Bragg grating soliton is used as input pulse in the discussion, which is much more approximate to the light source for the practical purpose. We discuss in detail the effects of the soliton's velocity with some parameters in the process of transmission. The results show that by choosing special parameters, one can make the soliton slow-down with a little distortion and energy decay and obtain tunable time-delay on a small scale.

Abstract: This paper numerically and analytically investigates the formation and propagation motion of optical soliton in the Bragg grating. We choose the fibre Bragg grating with hyperbolic tangent apodization in the middle section in order to obtain slower solitons. Optical fibre soliton but not Bragg grating soliton is used as input pulse in the discussion, which is much more approximate to the light source for the practical purpose. We discuss in detail the effects of the soliton's velocity with some parameters in the process of transmission. The results show that by choosing special parameters, one can make the soliton slow-down with a little distortion and energy decay and obtain tunable time-delay on a small scale.

Key words: fibre grating, slow light, soliton, hyperbolic tangent apodization

中图分类号: (Other fiber-optical devices)

42.81.Wg

42.81.Dp (Propagation, scattering, and losses; solitons) 42.65.Tg (Optical solitons; nonlinear guided waves) 42.79.Dj (Gratings)

王葵如, 程洁琳, 桑新柱, 陈功. Numerical investigation of slow solitons in Bragg gratings with a hyperbolic tangent apodization[J]. 中国物理B, 2011, 20(3): 34210-034210.

Wang Kui-Ru(王葵如), Cheng Jie-Lin(程洁琳), Sang Xin-Zhu(桑新柱), and Chen Gong(陈功). Numerical investigation of slow solitons in Bragg gratings with a hyperbolic tangent apodization[J]. Chin. Phys. B, 2011, 20(3): 34210-034210.

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Numerical investigation of slow solitons in Bragg gratings with a hyperbolic tangent apodization

Numerical investigation of slow solitons in Bragg gratings with a hyperbolic tangent apodization

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