Title :
Highly efficient terahertz generation via a continuously phase matched difference frequency generation in a nested waveguide structure
Author :
McCaughan, Leon ; Staus, Chad ; Kuech, Thomas F.
Author_Institution :
Univ. of Wisconsin-Madison, Madison, WI
Abstract :
We demonstrate continuously phase matched THz difference frequency generation (DFG) in a LiNbO3 nested waveguide structure with a power-normalized conversion efficiency of 1.3 times 10-7 W-1, 23 times more efficient than the best previously reported results.
Keywords :
infrared sources; lithium compounds; optical frequency conversion; optical materials; optical waveguides; terahertz wave generation; LiNbO3; continuously phase matched difference frequency generation; nested waveguide structure; power-normalized conversion efficiency; terahertz generation; Distributed feedback devices; Frequency conversion; Nonlinear optics; Optical films; Optical frequency conversion; Optical pumping; Optical waveguides; Plastic films; Power generation; Propagation losses;
Conference_Titel :
Infrared, Millimeter and Terahertz Waves, 2008. IRMMW-THz 2008. 33rd International Conference on
Conference_Location :
Pasadena, CA
Print_ISBN :
978-1-4244-2119-0
Electronic_ISBN :
978-1-4244-2120-6
DOI :
10.1109/ICIMW.2008.4665725
