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Chin. Phys. B, 2008, Vol. 17(3): 1025-1028    DOI: 10.1088/1674-1056/17/3/046
CLASSICAL AREAS OF PHENOMENOLOGY Prev   Next  

Higher-order effects on self-similar parabolic pulse in the microstructured fibre amplifier

Liu Wei-Ci(刘伟慈), Xu Wen-Cheng(徐文成), Feng Jie(冯杰), Chen Wei-Cheng(陈伟成), Li Shu-Xian(李书贤), and Liu Song-Hao(刘颂豪)
Laboratory of Photonic Information Technology, School of Information and Photoelectric Science and Engineering,South China Normal University, Guangzhou 510006, China
Abstract  By considering higher-order effects, the properties of self-similar parabolic pulses propagating in the microstructured fibre amplifier with a normal group-velocity dispersion have been investigated. The numerical results indicate that the higher-order effects can badly distort self-similar parabolic pulse shape and optical spectrum, and at the same time the peak shift and oscillation appear, while the pulse still reveals highly linear chirp but grows into asymmetry. The influence of different higher-order effects on self-similar parabolic pulse propagation has been analysed. It shows that the self-steepening plays a more important role. We can manipulate the geometrical parameters of the microstructured fibre amplifier to gain a suitable dispersion and nonlinearity coefficient which will keep high-quality self-similar parabolic pulse propagation. These results are significant for the further study of self-similar parabolic pulse propagation.
Keywords:  self-similar parabolic pulse      microstructured fibre amplifier      higher-order dispersion      nonlinear effect  
Received:  11 April 2007      Revised:  16 September 2007      Accepted manuscript online: 
PACS:  42.81.Dp (Propagation, scattering, and losses; solitons)  
  42.55.Wd (Fiber lasers)  
Fund: Project supported by the National Science Foundation of Guangdong Province, China (Grant No 04010397).

Cite this article: 

Liu Wei-Ci(刘伟慈), Xu Wen-Cheng(徐文成), Feng Jie(冯杰), Chen Wei-Cheng(陈伟成), Li Shu-Xian(李书贤), and Liu Song-Hao(刘颂豪) Higher-order effects on self-similar parabolic pulse in the microstructured fibre amplifier 2008 Chin. Phys. B 17 1025

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