Title :
Investigation of relations among matrix elements of second-order nonlinear susceptibility tensor of GaSe crystal
Author :
Mu, Xiaodong ; Ding, Yujie J. ; Zotova, Ioulia B.
Author_Institution :
Dept. of Electr. & Comput. Eng., Lehigh Univ., Bethlehem, PA
Abstract :
By investigating dependence of THz output power on pump polarization, ratios of elements for second-order nonlinear susceptibility tensor have been measured for GaSe, which significantly deviate from those dictated by Kleinmanpsilas symmetry and structural symmetry.
Keywords :
III-VI semiconductors; crystal symmetry; gallium compounds; nonlinear optical susceptibility; optical materials; optical pumping; submillimetre wave generation; GaSe; Kleinman symmetry; THz output power; matrix elements; pump polarization; second-order nonlinear susceptibility tensor; structural symmetry; Gases; Infrared detectors; Nonlinear optics; Optical polarization; Optical pulse generation; Optical pumping; Optical surface waves; Power generation; Power measurement; Tensile stress; (190.4400) Nonlinear optics, materials; (190.4410) Nonlinear optics, parametric processes;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
