Abstract
A compact high-power planar waveguide laser end pumped by a diode-bar is reported. The waveguide was fabricated by liquid-phase epitaxy and had an -thick, 1.5-at. % core on a substrate. A maximum output power of 6.2 W was obtained at when the device was pumped with a 20-W diode bar operating near 807 nm, giving an overall optical-to-optical conversion efficiency of 31%. The total device length was 5 cm.
© 1998 Optical Society of America
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