Experimental study on pulse propagation characteristics at normal dispersion region in dispersion flatted fibers

被引：4

作者：

Zheng, Hongjun ^{[1
,2
]}

Liu, Shanliang ^{[1
]}

Wu, Chongqing ^{[2
]}

Yu, Huishan ^{[1
]}

Li, Xin ^{[1
]}

Wang, Weitao ^{[1
]}

Tian, Zhen ^{[1
]}

机构：

[1] Liaocheng Univ, Shandong Prov Key Lab Opt Commun Sci & Technol, Inst Opt Commun, Liaocheng 252059, Shandong, Peoples R China

[2] Beijing Jiaotong Univ, Sch Sci, Minist Educ, Key Lab Luminescence & Opt Informat, Beijing 100044, Peoples R China

来源：

OPTICS AND LASER TECHNOLOGY | 2012年 / 44卷 / 04期

关键词：

Pulse propagation; Dispersion flatted fibers; Temporal waveform; CHIRP;

D O I：

10.1016/j.optlastec.2011.11.033

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Pulse propagation characteristics at normal-dispersion region in dispersion-flatted-fibers are experimentally investigated by employing the second-harmonic generation frequency-resolved optical gating (SHG-FROG) method. It is found that the experimental results are consistent with the theoretical prediction. The initial optical pulse with negative chirp is compressed for nonlinear effect in the normal-dispersion fiber, and it evolves into near Gaussian pulse. Temporal width of the optical pulse decreases with the increase of the input power and propagation distance. The output pulse width for small dispersion is less than that for great dispersion at the same input power. The spectrum of the output pulse is still symmetrical about the central wavelength, and is broadened with the increase of input power. The spectral width of the output pulse is much wider than the input spectral width. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：763 / 766

页数：4

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