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Ridge-waveguide continuous-wave laser-amplification using Erbium-doped phosphate glass with 13 dB gain at 1540 nm

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Abstract

We demonstrated continuous-wave operation of the ridge-waveguide laser-amplifier using Erbium-doped phosphate glass which is expected to high-gain and compactness. The waveguide consists of an Erbium-doped phosphate glass core, an optical glass lower cladding and a dielectric film upper cladding. The thickness, width and the length of the waveguide are 10 μm, 37 μm and 50 mm. The signal gain of 13 dB and the amplified signal average-power of 89 mW were achieved.

© 2017 Optical Society of America

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