Abstract

We report the generation of simultaneous multiband mid-infrared laser output by use of periodically polled lithium niobate pumped by the 1.54-µm output from a KTP optical parametric oscillator. The multiband source is capable of producing three mid-infrared wavelengths ranging from 2.5 to 4 µm. In initial experiments we obtained output powers of 542  mW near 2.5 µm and 453  mW near 4 µm, with power conversion efficiencies of 30% and 25%, respectively. To the best of our knowledge, this is the first demonstration of this kind in the literature.

© 1998 Optical Society of America

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