Diode-pumped self-Q-switched erbium-doped all-fibre laser

A diode-pumped self-Q-switched erbium-doped fibre laser is developed and studied. The laser has an all-fibre configuration containing a piece of an active heavily erbium-doped fibre and two fibre Bragg grating mirrors and does not require any additional intracavity elements to obtain short pulses. A...

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Bibliographic Details
Published in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2004-04, Vol.34 (4), p.310-314
Main Authors: Vicente, S G Cruz, Gamez, M A Martinez, Kir'yanov, A V, Barmenkov, Yu O, Andres, M V
Format: Article
Language:English
Subjects:
ABSORPTION
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
DOPED MATERIALS
ELEMENTS
ERBIUM
FIBERS
GRATINGS
LASER CAVITIES
LASERS
MATERIALS
METALS
MIRRORS
NONLINEAR PROBLEMS
OPTICAL FIBERS
OPTICAL PROPERTIES
PHYSICAL PROPERTIES
PULSES
Q-SWITCHING
RARE EARTHS
REFRACTIVE INDEX
SORPTION
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Summary:A diode-pumped self-Q-switched erbium-doped fibre laser is developed and studied. The laser has an all-fibre configuration containing a piece of an active heavily erbium-doped fibre and two fibre Bragg grating mirrors and does not require any additional intracavity elements to obtain short pulses. Analysis of the laser operation suggests that the most probable mechanism of passive Q-switching of the laser cavity is absorption from the excited state of erbium resulting in the thermally induced nonlinear change in the refractive index in the erbium-doped fibre. (lasers)
ISSN:1063-7818
1468-4799
DOI:10.1070/QE2004v034n04ABEH002672