Enhanced dispersive wave generation by using chirped pulses in a microstructured fiber

被引：4
作者：
Cheng, CF [1 ]
Wang, XF [1 ]
Fang, ZB [1 ]
Shen, BF [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Lab High Intens Opt, Shanghai 201800, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2005年 / 244卷 / 1-6期
关键词：
nonlinear optics in fibers; pulse propagation and solitons; dispersive wave generation; microstructured fibers;
D O I：
10.1016/j.optcom.2004.09.061
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A theoretical investigation on the nonlinear pulse propagation and dispersive wave generation in the anomalous dispersion region of a microstructured fiber is presented. By simulating the dispersive wave generation under different conditions. it is found that the generation mechanism of the dispersive wave is mainly due to the pulse trapping across the zero-dispersion wavelength. By varying the initial pulse chirp, the output spectrum can be broadened and the intensity of the dispersive wave can be obviously enhanced. In particular, there exists an optimal positive chirp which maximizes the intensity of the dispersive wave. This effect can be explained by the energy transfer from the Raman soliton to the dispersive wave due to the effect of the pulse trapping and the effect of the higher-order dispersion. From the phase aspect, the explanation of this effect is also included. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：219 / 225
页数：7
相关论文
共 16 条
[1]  
Agrawall G. P., 2001, NONLINEAR FIBER OPTI
[2]   Spectral shaping of supercontinuum in a cobweb photonic-crystal fiber with sub-20-fs pulses [J].
Apolonski, A ;
Povazay, B ;
Unterhuber, A ;
Drexler, W ;
Wadsworth, WJ ;
Knight, JC ;
Russell, PS .
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS, 2002, 19 (09) :2165-2170
[3]   Endlessly single-mode photonic crystal fiber [J].
Birks, TA ;
Knight, JC ;
Russell, PS .
OPTICS LETTERS, 1997, 22 (13) :961-963
[4]   Nonlinearity in holey optical fibers: measurement and future opportunities [J].
Broderick, NGR ;
Monro, TM ;
Bennett, PJ ;
Richardson, DJ .
OPTICS LETTERS, 1999, 24 (20) :1395-1397
[5]   Optimization of supercontinuum generation in photonic crystal fibers for pulse compression [J].
Chang, GQ ;
Norris, TB ;
Winful, HG .
OPTICS LETTERS, 2003, 28 (07) :546-548
[6]   Nonlinear propagation and supercontinuum generation of a femtosecond pulse in photonic crystal fibers [J].
Cheng, CF ;
Wang, XF ;
Lu, B .
ACTA PHYSICA SINICA, 2004, 53 (06) :1826-1830
[7]   Dispersive wave generation by solitons in microstructured optical fibers [J].
Cristiani, I ;
Tediosi, R ;
Tartara, L ;
Degiorgio, V .
OPTICS EXPRESS, 2004, 12 (01) :124-135
[8]   Nonlinear propagation of a-few-optical-cycle pulses in a photonic crystal fiber - Experimental and theoretical studies beyond the slowly varying-envelope approximation [J].
Fang, XJ ;
Karasawa, N ;
Morita, R ;
Windeler, RS ;
Yamashita, M .
IEEE PHOTONICS TECHNOLOGY LETTERS, 2003, 15 (02) :233-235
[9]   Nonlinear propagation and continuum generation in microstructured optical fibers [J].
Gaeta, AL .
OPTICS LETTERS, 2002, 27 (11) :924-926
[10]   Supercontinuum generation of higher-order solitons by fission in photonic crystal fibers [J].
Husakou, AV ;
Herrmann, J .
PHYSICAL REVIEW LETTERS, 2001, 87 (20) :203901-1
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