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Conferences > CLEO > 2010 > CTuMM > CTuMM6

Terahertz sources based on difference-frequency generation near exit facets in dual-wavelength mid-infrared quantum cascade lasers

Robert W. Adams, Augustinas Vizbaras, Min Jang, Christian Grasse, Simeon Katz, Gerhard Boehm, Markus C. Amann, and Mikhail A. Belkin

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Abstract

We report novel quantum cascade laser sources based on difference-frequency generation in nonlinear sections localized near exit facets. This new approach allows for infrared-to-terahertz conversion efficiencies above 1mW/W2. Experimentally, devices operating at 4THz are discussed.

© 2010 Optical Society of America

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