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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)
A. Pietrzak ; Ferdinand-Braun-Institut für Höchstfrequenztechnik im Forschungsverbund Berlin e.V. Gustav-Kirchhoff-Str. 4, D-12489, Germany ; P. Crump ; F. Bugge ; H. Wenzel
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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:

2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum electronics and Laser Science Conference

Date of Conference:

2-4 June 2009