Negative Differential Resistance and Pulse Instabilities in Minimalized Quantum Cascade Laser Structures

Kale J. Franz; James J.J. Raftery; Peter Q. Liu; Anthony J. Hoffman; Matthew D. Escarra; Scott S. Howard; Yamac Dikmelik; Jacob B. Khurgin; Xiaojun Wang; Jen-Yu Fan; Claire Gmachl

doi:10.1364/CLEO.2009.CThL5

Conference on Lasers and Electro-Optics/International Quantum Electronics Conference
OSA Technical Digest (CD) (Optica Publishing Group, 2009),
paper CThL5
•https://doi.org/10.1364/CLEO.2009.CThL5

Negative Differential Resistance and Pulse Instabilities in Minimalized Quantum Cascade Laser Structures

Kale J. Franz, James J.J. Raftery, Peter Q. Liu, Anthony J. Hoffman, Matthew D. Escarra, Scott S. Howard, Yamac Dikmelik, Jacob B. Khurgin, Xiaojun Wang, Jen-Yu Fan, and Claire Gmachl

Conference on Lasers and Electro-Optics 2009

Baltimore, Maryland United States
31 May–5 June 2009
ISBN: 978-1-55752-869-8

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Quantum Cascade Lasers II (CThL)

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K. J. Franz, J. J. J. Raftery, P. Q. Liu, A. J. Hoffman, M. D. Escarra, S. S. Howard, Y. Dikmelik, J. B. Khurgin, X. Wang, J. Fan, and C. Gmachl, "Negative Differential Resistance and Pulse Instabilities in Minimalized Quantum Cascade Laser Structures," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference, OSA Technical Digest (CD) (Optica Publishing Group, 2009), paper CThL5.

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Abstract

We study high performing mid-infrared quantum cascade lasers with highly discretized injector regions. We observe negative differential resistance features of ~2V that persist to room temperature and pulse instabilities below 180 K.

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