Title :
Quasi-phasematched THz generation in GaAs
Author :
Hurlbut, W.C. ; Vodopyanov, K.L. ; Fejer, M.M. ; Kozlov, V.G. ; Lee, Yun-Shik
Author_Institution :
Dept. of Phys., Oregon State Univ., Corvallis, OR
Abstract :
We demonstrate efficient generation of narrow-bandwidth THz waveforms in optically-contacted multi-layer and orientation-patterned GaAs, using optical rectification of 2-4 mum, 100-fs pump pulses. THz waveforms were directly measured using two-color time-domain spectroscopy.
Keywords :
III-V semiconductors; gallium arsenide; optical multilayers; optical phase matching; optical pulse generation; optical pumping; terahertz wave generation; terahertz wave spectra; time-domain analysis; GaAs; optical rectification; optically-contacted multilayer; orientation-patterned gallium arsenide; quasiphasematched THz pulse generation; time 100 fs; two-color time-domain spectroscopy; wavelength 2 mum to 4 mum; Frequency conversion; Gallium arsenide; Nonlinear optics; Optical pulse generation; Optical pulses; Optical pumping; Optical refraction; Pulse amplifiers; Pulse measurements; Ultrafast optics; (160.6000) Semiconductors, including MQW; (190.2620) Frequency conversion; (320.7110) Ultrafast nonlinear optics;
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.2006.4628205
