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A broadly tunable erbium-doped fiber ring laser: experimentation and modeling

A broadly tunable erbium-doped fiber ring laser: experimentation and modeling,10.1109/2944.924005,IEEE Journal of Selected Topics in Quantum Electroni

A broadly tunable erbium-doped fiber ring laser: experimentation and modeling   (Citations: 36)
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Broad-band tunability of erbium-doped silica fiber ring lasers in the 1.48-1.62 μm wavelength band is demonstrated through modeling and experiment. Tunability over the erbium-doped fiber amplifier (EDFA) C- and L-bands is achieved with a simple laser design using a single gain medium working in deep saturation. A comprehensive numerical model based on an iterative solution of propagation rate equations and spectrally resolved Giles parameters was used to analyze the impact of various laser variables. The dependence of laser output power on total cavity loss, erbium-doped fiber length, pump power, and lasing wavelength has been investigated. The calculated laser characteristics have been found in good quantitative agreement with the experimentally obtained data. Experimental results concerning wavelength tunability, output power, and lasing wavelength repeatability/stability and spectral purity are also presented
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