Trapping a soliton by localized gain in a lossy fiber Bragg grating

A model of nonlinear fiber grating with a "hot spot", which combines loss with locally applied gain and increment of refractive index, is introduced. Solutions for pinned solitons are found analytically. Their stability and collisions of moving solitons with the hot spot are investigated n...

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Bibliographic Details
Main Authors: Malomed, B.A., Mak, W.C.K., Chu, P.L.
Format: Conference Proceeding
Language:English
Subjects:
Bragg gratings
Fiber gratings
Optical attenuators
Optical fiber losses
Optical losses
Optical reflection
Optical refraction
Optical solitons
Optical waveguides
Refractive index
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Summary:A model of nonlinear fiber grating with a "hot spot", which combines loss with locally applied gain and increment of refractive index, is introduced. Solutions for pinned solitons are found analytically. Their stability and collisions of moving solitons with the hot spot are investigated numerically.
DOI:10.1109/QELS.2003.238625