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High-power high-brightness GaInAsSb-AlGaAsSb tapered laser arrays with anamorphic collimating lenses emitting at 2.05 μm

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8 Author(s)
J. N. Walpole ; Lincoln Lab., MIT, Lexington, MA, USA ; H. K. Choi ; L. G. Missaggia ; Z. L. Liau
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Linear arrays of GaInAsSb-AlGaAsSb tapered MQW lasers emitting at 2.05 μm have been fabricated and operated with 1-ms current pulses. Peak power over 3 W was obtained for nine-element arrays at 18.5 A. Up to 1.7-W peak power, within a 65-mrad full-angle cone, was measured in the far field using anamorphic collimating lens arrays, fabricated by mass transport in GaP.

Published in:

IEEE Photonics Technology Letters  (Volume:11 ,  Issue: 10 )