Propagation of light pulses in a fast-light medium: Interplay between gain and dispersion

被引：1
|
作者：
Crouzil, T. [1 ]
Bouchene, M. A. [1 ]
机构：
[1] Laboratoire Collis Agreacutegats Reacuteactivitea, UMR 5589, Universiteacute Paul Sabatier, F-31062 Toulouse 09, France
来源：
PHYSICAL REVIEW A | 2009年 / 80卷 / 05期
关键词：
erbium; optical distortion; optical fibre dispersion; optical pulse generation; ENERGY-FLOW; VELOCITY; SPEED;
D O I：
10.1103/PhysRevA.80.055802
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We consider here the situation of a Gaussian pulse that probes a medium exhibiting two close resonance lines. We study the spatial behavior of the light pulse and emphasize some overlooked features. Moreover, for long pulses and a fast-light medium, we show that the spatial distortion of the pulse due to residual gain at the central laser wavelength cannot be reduced without enhancing another distortion effect due to spectral wing amplification.
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页数：4
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