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Conference Paper
CLEO: Science and Innovations
San Jose, California United States
May 6-11, 2012
ISBN: 978-1-55752-943-5
THz QCLs (CTh4N)

Terahertz Quantum Cascade Laser Sources Based on Cherenkov Intra-Cavity Difference-Frequency Generation

Karun Vijayraghavan, Robert W. Adams, Augustinas Vizbaras, Min Jang, Christian Grasse, Gerhard Böhm, Markus C. Amann, and Mikhail A. Belkin  »View Author Affiliations


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Directional room-temperature terahertz emission over 1.2-4.5 THz range is observed with a maximum conversion efficiency of approximately 70µW/W2.

© 2012 OSA

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(190.5970) Nonlinear optics : Semiconductor nonlinear optics including MQW
(140.5965) Lasers and laser optics : Semiconductor lasers, quantum cascade

K. Vijayraghavan, R. W. Adams, A. Vizbaras, M. Jang, C. Grasse, G. Böhm, M. C. Amann, and M. A. Belkin, "Terahertz Quantum Cascade Laser Sources Based on Cherenkov Intra-Cavity Difference-Frequency Generation," in Conference on Lasers and Electro-Optics 2012, OSA Technical Digest (online) (Optical Society of America, 2012), paper CTh4N.2.

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