Abstract

We report efficient operation of a channel waveguide laser and a channel waveguide amplifier in Nd:MgO:LiNbO3. For the laser a cw output power of 2.9 mW was obtained for 23.6 mW of absorbed pump power. The absorbed pump power at threshold was 1.5 mW, and a slope efficiency of 13% was achieved. For the amplifier a small-signal gain of 7.5 dB was achieved for 22 mW of coupled pump power.

© 1990 Optical Society of America

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