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Ion-exchanged Tm3+:glass channel waveguide laser

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Abstract

Continuous wave laser action around 1.9 μm has been demonstrated in a Tm3+-doped germanate glass channel waveguide laser fabricated by ion-exchange. Laser action was observed with an absorbed power threshold of only 44 mW and a slope efficiency of up to 6.8% was achieved. Propagation loss at the lasing wavelength was measured to be 0.3dB/cm. We believe this to be the first ion-exchanged Tm3+-doped glass waveguide laser.

© 2013 Optical Society of America

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