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
Published in:
IEEE Int. Semiconductor Laser Conf. (ISLC 2008), Sorrento, Italy, Sep. 14-18, pp. 194-195 (2008).
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.
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-Str. 2-4, 12489 Berlin, Germany
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