Single-longitudinal-mode dual wavelength-switchable fiber laser based on superposed Fiber Bragg Gratings
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Pérez Herrera, Rosa Ana; Rodríguez Cobo, Luis


Fecha
2015-04Derechos
© 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Publicado en
IEEE Photonics Journal, 2015, 7(2), 7101307
Editorial
Institute of Electrical and Electronics Engineers, Inc.
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Palabras clave
Cavity laser
Dual overwritten grating
Erbium-doped fiber
Single-longitudinal mode
Superposed fiber Bragg gratings
Resumen/Abstract
In this work, a simple switchable dual-wavelength short-cavity fiber laser operating in a single-longitudinal-mode regime at room temperature and based on superposed fiber Bragg gratings is proposed and experimentally demonstrated. Only by introducing stress into one of the overwritten FBGs, single- or dual-wavelength laser oscillations can be attained. Either single- or multimode operation of the laser can be easily achieved. Single-longitudinal-mode emission has been verified in two different ways: the first corroboration has been conducted by the heterodyne detection of the output signal, and the second one has been carried out by using a high-resolution optical spectrum analyzer.
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