Title :
Optically-assisted electrically-driven THz generation - a new approach for efficient THz Quantum Cascade Lasers
Author :
Waldmueller, I. ; Chow, W.W. ; Wanke, M.C.
Author_Institution :
Sandia Nat. Lab., Albuquerque
Abstract :
The proposed optically-assisted electrically-driven laser keeps the advantages of optical conversion while overcoming its constraints by recycling the pump photons yielding conversion efficiencies exceeding the Manley-Rowe limit and a path to room temperature THz generation.
Keywords :
optical pumping; quantum cascade lasers; submillimetre wave generation; submillimetre wave lasers; Manley-Rowe limit; THz quantum cascade lasers; conversion efficiencies; optical conversion; optically-assisted electrically-driven THz generation; pump photons; room temperature THz generation; Biomedical optical imaging; Laser excitation; Laser theory; Laser transitions; Nonlinear optics; Optical pumping; Pump lasers; Quantum cascade lasers; Semiconductor lasers; Stimulated emission;
Conference_Titel :
Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/CLEO.2007.4453213
