Title :
Radially Polarized Terahertz Beam Emission by Difference Frequency Generation in GaAs
Author :
Avetisyan, Yu.H. ; Khachatryan, K.
Author_Institution :
Yerevan State Univ., Yerevan
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 :
gallium arsenide; optical frequency conversion; optical materials; optical phase matching; submillimetre wave generation; Cherenkov- type difference frequency generation; GaAs; output power; quasiphase-matched crystal; radially polarized terahertz beam emission; Frequency conversion; Gallium arsenide; Nonlinear optics; Optical beams; Optical mixing; Optical polarization; Optical refraction; Optical variables control; Power generation; 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.2007.4453577
