Title :
Terahertz sources based on difference-frequency generation near exit facets in dual-wavelength mid-infrared quantum cascade lasers
Author :
Adams, Robert W. ; Vizbaras, Augustinas ; Jang, Min ; Grasse, Christian ; Katz, Simeon ; Boehm, Gerhard ; Amann, Markus C. ; Belkin, Mikhail A.
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Texas at Austin, Austin, TX, USA
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.
Keywords :
Nonlinear optical devices; Nonlinear optics; Optical mixing; Optical pumping; Pump lasers; Quantum cascade lasers; Quantum computing; Quantum well devices; Resonance; Semiconductor lasers;
Conference_Titel :
Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010 Conference on
Conference_Location :
San Jose, CA, USA
Print_ISBN :
978-1-55752-890-2
Electronic_ISBN :
978-1-55752-890-2
