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1060-nm multi quantum well diode lasers with narrow vertical divergence angle of 8° and high internal efficiency

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6 Author(s)
Pietrzak, A. ; Ferdinand-Braun-Inst. fur Hochstfrequenztech., Forschungsverbund Berlin, Berlin, Germany ; Crump, P. ; Bugge, F. ; Wenzel, H.
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MQW 1060 nm structures with extremely thick 8.64 mum waveguide resulting in 8deg angle of vertical divergence have been grown and tested. The measurements of uncoated lasers promise high optical power operation with nearly circular beam-shape.

Published in:

Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on

Date of Conference:

2-4 June 2009