Simple technique to achieve fast light in gain regime using Brillouin scattering
Identificadores
Enlace permanente (URI): http://hdl.handle.net/10017/31021DOI: 10.1364/OE.15.010814
ISSN: 1094-4087
Editor
Optical Society of America
Fecha de publicación
2007-08-13Patrocinadores
Swiss National Science Foundation
Swiss National Science Foundation
Cita bibliográfica
Sanghoon Chin, Miguel Gonzalez-Herraez, and Luc Thévenaz, "Simple technique to achieve fast light in gain regime using Brillouin scattering," Opt. Express 15, 10814-10821 (2007)
Palabras clave
Nonlinear optics
Fibers
Scattering
Stimulated Brillouin
Propagation
Proyectos
info:eu-repo/grantAgreement/SNSF//200021-109773/CH
Tipo de documento
info:eu-repo/semantics/article
Versión
info:eu-repo/semantics/publishedVersion
Versión del editor
https://doi.org/10.1364/OE.15.010814Derechos
(c) Optical Society of America, 2007
Derechos de acceso
info:eu-repo/semantics/openAccess
Resumen
We describe a novel technique based on stimulated Brillouin
scattering for propagating fast light (signal advancement) with low
distortion in optical fibers. The essence of the technique relies on the
presence of two separate gain resonances in the Brillouin gain spectrum
generated by cascading two different fiber segments showing distinct
Brillouin shifts. It can be shown that in between these two gain spectra, a
reduced group index can be obtained. To further optimize our results, we
broadened the pump spectrum by introducing a modulation of the current
driving the pump laser to achieve a delay-bandwidth product close to the
optimum conditions. This scheme eliminates the need of an external optical
modulator and offers the advantage of a much reduced signal distortion
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