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High brightness and ultra-narrow beam 850 nm GaAs/AlGaAs photonic band crystal lasers and first uncoupled PBC single-mode arrays
T. Kettler1, K. Posilovic1, J. Fricke2, P. Ressel2, A. Ginolas2, U.W. Pohl1, V.A. Shchukin1, N.N. Ledentsov1, D. Bimberg1, J. Jönsson3, M. Weyers3, G. Erbert1, and G. Tränkle1
1 Institut für Festkörperphysik, Technische Universität Berlin, PN5-2, Hardenbergstr. 36, 10623 Berlin, Germany
2 Ferdinand-Braun-Institut für Höchstfrequenztechnik, Gustav-Kirchhoff-Straße 4, D-12489 Berlin, Germany
3 TESAG, Three-Five Epitaxial Services AG, Kekulé“tr. 2-4, 12489 Berlin, Germany
Published in:
Proc. ISLC 2008, pp. 194-195 (2008).
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Abstract:
850 nm PBC broad area lasers
demonstrate ultra-narrow vertical beam
divergence of 7° and ultra-high brightness. First
arrays of uncoupled single-mode PBC-lasers are
demonstrated.
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