Title :
Terahertz emission from lithium ternary chalcopyrite crystals
Author :
Takeya, K. ; Takemoto, Y. ; Matsukawa, T. ; Yoshimura, M. ; Kawayama, I. ; Murakami, H. ; Mori, Y. ; Tonouchi, M.
Author_Institution :
Inst. of Laser Eng., Osaka Univ., Suita, Japan
Abstract :
We have investigated the terahertz (THz) emission from lithium ternary chalcopyrite crystals illuminated by 1560-nm femtosecond pump laser pulses. Monocyclic THz emission and narrowband THz emission from the coherent phonons in LiInSe2 and LiGaSe2 were observed at 2.87 and 3.45 THz, respectively.
Keywords :
gallium compounds; high-speed optical techniques; indium compounds; lithium compounds; phonons; terahertz wave spectra; ternary semiconductors; LiGaSe2; LiInSe2; coherent phonons; femtosecond pump laser pulse; frequency 2.87 Hz; frequency 3.45 Hz; lithium ternary chalcopyrite crystals; monocyclic THz emission; narrowband THz emission; wavelength 1560 nm; Crystals; Nonlinear optics; Optical pumping; Optical refraction; Optical variables control; Surface emitting lasers; Ultrafast optics;
Conference_Titel :
Infrared Millimeter and Terahertz Waves (IRMMW-THz), 2010 35th International Conference on
Conference_Location :
Rome
Print_ISBN :
978-1-4244-6655-9
DOI :
10.1109/ICIMW.2010.5612751