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Conference Paper
CLEO: Science and Innovations
Baltimore, Maryland United States
May 1-6, 2011
ISBN: 978-1-55752-910-7

Vertical Sub-Wavelength Mode Confinement in THz Quantum Cascade Lasers

Elodie Strupiechonski, Davide Grassani, Daivid Fowler, François H. Julien, Raffaele Colombelli, Suraj P. Khanna, Lianhe Li, Edmund H. Linfield, Giles A. Davies, and Andrey B. Krysa  »View Author Affiliations


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We reduce thickness of the active cores in THz/mid-infrared quantum-cascade lasers. Devices with active regions 60 times thinner than free-space emission wavelength are demonstrated with surprisingly modest increase in threshold current density.

© 2011 OSA

OCIS Codes
(230.0250) Optical devices : Optoelectronics
(140.5965) Lasers and laser optics : Semiconductor lasers, quantum cascade
(250.5960) Optoelectronics : Semiconductor lasers

E. Strupiechonski, D. Grassani, D. Fowler, F. H. Julien, R. Colombelli, S. P. Khanna, L. Li, E. H. Linfield, G. A. Davies, and A. B. Krysa, "Vertical Sub-Wavelength Mode Confinement in THz Quantum Cascade Lasers," in CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optical Society of America, 2011), paper CThE6.

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