Title :
Symmetries of second-order nonlinear susceptibility tensor for GaSe by investigating THz generation
Author :
Xu, Guibao ; Sun, Guan ; Ding, Yujie J. ; Zotova, Ioulia B. ; Mandal, Krishna C. ; Mertiri, Alket ; Pabst, Gary ; Roy, Ronald ; Fernelius, Nils C.
Author_Institution :
Dept. of Electr. & Comput. Eng., Lehigh Univ., Bethlehem, PA, USA
Abstract :
In this paper, we demonstrate that THz generation can be a sensitive technique for investigating violations of Kleinman´s symmetry condition and spatial symmetry of second-order nonlinear susceptibility tensor for GaSe.
Keywords :
III-VI semiconductors; gallium compounds; microwave photonics; nonlinear optical susceptibility; optical materials; terahertz wave generation; GaSe; Kleinman spatial symmetry; Kleinman symmetry condition; THz Generation; second-order nonlinear susceptibility tensor;
Conference_Titel :
IEEE Photonics Society, 2010 23rd Annual Meeting of the
Conference_Location :
Denver, CO
Print_ISBN :
978-1-4244-5368-9
DOI :
10.1109/PHOTONICS.2010.5698814
