Title :
Narrow-band, intense terahertz pulses from a large-aperture GaAs frequency downconverter
Author :
Tochitsky, S.Ya. ; Sung, C. ; Trubnick, S.E. ; Joshi, C.
Author_Institution :
Dept. of Electr. Eng., UCLA, Los Angeles, CA
Abstract :
2 kW, 200 ns pulses were generated in a noncollinear phase-matched GaAs crystal at room temperature. A terahertz source in the range 0.5-3.0 THz with a step of 40 GHz is pumped by line-tunable CO2 lasers.
Keywords :
III-V semiconductors; gallium arsenide; optical pulse shaping; submillimetre wave lasers; frequency 40 GHz; frequency downconverter; intense terahertz pulses; large aperture; narrow band; noncollinear phase matched; power 2 kW; time 200 ns; Frequency conversion; Gallium arsenide; Laser beams; Laser excitation; Narrowband; Nonlinear optics; Optical frequency conversion; Optical mixing; Optical pulse generation; Pump lasers; (140.3470) Lasers, carbon dioxide; (190.0190) Nonlinear optics; (190.7070) Two-wave mixing;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4628203
