Open AccessGain-assisted superluminal propagation in tellurite glass fiber based on stimulated Brillouin scattering
Author(s) -
Kwang Yong Song,
Kazi S. Abedin,
Kazuo Hotate
Publication year - 2008
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.16.000225
Subject(s) - brillouin scattering , optics , superluminal motion , materials science , dispersion (optics) , double clad fiber , optical fiber , brillouin zone , narrowband , dispersion shifted fiber , physics , fiber optic sensor , astronomy
We demonstrate superluminal propagation of optical pulses with amplification in optical fibers based on stimulated Brillouin scattering. A triple gain peak configuration is used for the generation of narrowband anomalous dispersion in 2 m tellurite glass fiber, where the group index change as much as -1.19 is achieved with 6.9 dB amplification in 34 ns Gaussian pulses, leading to the group index of 0.84.