Title :
Quasi-phase matching with tapered waveguides for Terahertz generation
Author :
Abeywickrama, Banie ; Nirmalathas, Ampalavanapillai ; Lim, Chong-U ; Ka-Lun Lee ; Premaratne, Malin
Author_Institution :
Dept. of Electr. & Electron. Eng., Univ. of Melbourne, Melbourne, VIC, Australia
fDate :
June 30 2013-July 4 2013
Abstract :
Using numerical simulations we demonstrate that the Terahertz generation efficiency is increased by using tapered waveguides. We propose piece-wise taper which facilitates quasi-phase-matching and increases THz efficiency by 2 fold compared to conventional rod waveguides.
Keywords :
microwave photonics; optical frequency conversion; optical phase matching; optical waveguides; terahertz wave generation; piecewise taper; quasiphase matching; tapered waveguide; terahertz generation; Nonlinear optics; Optical beams; Optical pulses; Optical pumping; Optical waveguides; Waveguide lasers;
Conference_Titel :
Lasers and Electro-Optics Pacific Rim (CLEO-PR), 2013 Conference on
Conference_Location :
Kyoto
DOI :
10.1109/CLEOPR.2013.6599979
