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Conference Paper
Conference on Lasers and Electro-Optics
Baltimore, Maryland United States
May 31, 2009 - June 5, 2009
ISBN: 978-1-55752-869-8
Quantum Cascade Lasers III (CThT)

Broadband Distributed Feedback Quantum Cascade Laser Array Using a Heterogeneous Cascade

Laurent Diehl, Benjamin G. Lee, Haifei A. Zhang, Christian Pflügl, Mikhail Belkin, Milan Fisher, Andreas Wittman, Jerome Faist, and Federico Capasso


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We demonstrated an array of distributed feedback quantum cascade lasers covering a spectral range of 220cm-1. The variability in threshold current and slope efficiency is explained in terms of the position of the laser end-facets.

© 2009 The Optical Society

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(300.0300) Spectroscopy : Spectroscopy
(300.6340) Spectroscopy : Spectroscopy, infrared
(140.5965) Lasers and laser optics : Semiconductor lasers, quantum cascade

L. Diehl, B. G. Lee, H. A. Zhang, C. Pflügl, M. Belkin, M. Fisher, A. Wittman, J. Faist, and F. Capasso, "Broadband Distributed Feedback Quantum Cascade Laser Array Using a Heterogeneous Cascade," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference, OSA Technical Digest (CD) (Optical Society of America, 2009), paper CThT1.

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