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Dependence of Er:Yb-codoped 1.5 µm amplifier on wavelength-tuned auxiliary seed signal at 1 µm wavelength

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V. Kuhn, D. Kracht, J. Neumann, P. Weßels
Dependence of Er:Yb-codoped 1.5 µm amplifier on wavelength-tuned auxiliary seed signal at 1 µm wavelength
Optics Letters 24 (35), 4105–4107 (2010)
Publication type: Journal Article (reviewed)
DOI: 10.1364/OL.35.004105

Abstract

We report on experiments performed with a cladding-pumped single-mode Er:Yb-codoped single-frequency fiber amplifier simultaneously seeded by a distributed-feedback diode at 1556nm and a tunable external-cavity diode laser emitting at a wavelength of about 1µm wavelength. The influence of the output wavelength of the external-cavity laser on amplification and reabsorption behavior of the Yb emission as well as the amplifier performance at a wavelength of 1556nm is examined experimentally.