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Title: Concentration-induced nonuniform power in tunable erbium-doped fiber lasers
Authors: Dong, X
Ngo, NQ
Shum, P
Guan, BO
Tam, HY 
Dong, XY
Issue Date: 15-Feb-2004
Source: Optics letters, 15 Feb. 2004, v. 29, no. 4, p. 358-360
Abstract: We report, for the first time to our knowledge, the presence of concentration-induced nonuniform power in tunable erbium-doped fiber lasers. A theoretical model is proposed with pair-induced quenching taken into account. We obtain good agreement between numerical and experimental results of a high-concentration erbium-doped fiber ring laser with a large tuning range of over 100 nm. These findings are useful for the design of lasers with doped fibers.
Keywords: Bandpass filters
Bandwidth
Boundary conditions
Computer simulation
Doping (additives)
Erbium
Light absorption
Polarization
Quantum efficiency
Ring lasers
Tuning
Wavelength division multiplexing
Publisher: Optical Society of America
Journal: Optics letters 
ISSN: 0146-9592
EISSN: 1539-4794
DOI: 10.1364/OL.29.000358
Rights: © 2004 Optical Society of America. This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-4-358. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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