DocumentCode
376531
Title
Superluminal pulse propagation and group velocity in anomalous dispersion region of an absorbing medium
Author
Talukder, A.I. ; Ito, T. ; Amagishi, Y. ; Tomita, M.
Volume
2
fYear
2001
fDate
15-19 July 2001
Abstract
We have observed a transition from the superluminal to subluminal velocity for optical pulses in the anomalous dispersion region of a resonantly absorbing medium. The pulse velocity is described by a new expression of group velocity using the saddle point method.
Keywords
high-speed optical techniques; laser beams; light absorption; optical dispersion; Ti:sapphire laser; absorbing medium; anomalous dispersion; group velocity; optical pulses; pulse velocity; resonantly absorbing medium; saddle point method; superluminal pulse propagation; Absorption; Indium tin oxide; Laser mode locking; Optical propagation; Optical pulses; Physics; Propagation delay; Pulse amplifiers; Refractive index; Space vector pulse width modulation;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics, 2001. CLEO/Pacific Rim 2001. The 4th Pacific Rim Conference on
Conference_Location
Chiba, Japan
Print_ISBN
0-7803-6738-3
Type
conf
DOI
10.1109/CLEOPR.2001.970845
Filename
970845
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