Widely Tunable Femtosecond Soliton Pulse Generation by Using Soliton-Frequency Shift in a Photonic Crystal Fibre
CHENG Chun-Fu, WANG Xiao-Fang, SHEN Bai-Fei
Laboratory for High Intensity Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800
Widely Tunable Femtosecond Soliton Pulse Generation by Using Soliton-Frequency Shift in a Photonic Crystal Fibre
CHENG Chun-Fu;WANG Xiao-Fang;SHEN Bai-Fei
Laboratory for High Intensity Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800
关键词 ：
42.65.Re ,
42.81.Dp ,
42.72.Ai
Abstract ： Femtosecond Raman soliton generation, tunable from 800 to 1044nm, has been theoretically investigated for a photonic crystal fibre pumped by a 200-fs pulse. A highly nonlinear photonic crystal fibre with a length of only 57.7cm and a nonlinear coefficient of 0.075(Wm)-1 is used to achieved such a broadband. It is found that the spectral bandwidth increases with the input peak power. In particular, it is also found that the output wavelengths of the resulting sub-40fs Raman solitons can also be tuned effectively by varying the initial pulse chirp. There exists an optimal positive chirp which maximizes the bandwidth, corresponding to the formation of only one long-wavelength Raman soliton.
Key words ：
42.65.Re
42.81.Dp
42.72.Ai
出版日期: 2004-10-01
:
42.65.Re
(Ultrafast processes; optical pulse generation and pulse compression)
42.81.Dp
(Propagation, scattering, and losses; solitons)
42.72.Ai
(Infrared sources)
引用本文:
CHENG Chun-Fu;WANG Xiao-Fang;SHEN Bai-Fei. Widely Tunable Femtosecond Soliton Pulse Generation by Using Soliton-Frequency Shift in a Photonic Crystal Fibre[J]. 中国物理快报, 2004, 21(10): 1965-1968.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2004/V21/I10/1965
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2004, Vol. 21 
