Title :
Radially polarized terahertz beam emission by difference frequency generation in GaAs
Author :
Avetisyan, Yu.H. ; Khachatryan, K.
Author_Institution :
Department of Radiophysics, Yerevan State University, 1 Alex Manoogian, 375025, Armenia
Abstract :
It is shown that using quasi-phase-matched GaAs crystal in the scheme of Cherenkov-type difference frequency generation allows controlling the direction of terahertz emission and by that way achieving significant increase in the output power.
Keywords :
Frequency conversion; Gallium arsenide; Nonlinear optics; Optical beams; Optical mixing; Optical polarization; Optical refraction; Optical variables control; Power generation; Stimulated emission;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2007. QELS '07
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/QELS.2007.4431354
