Title :
Frequency-tunable terahertz wave generation via excitation of phonon-polaritons in GaP
Author :
Tanabe, T. ; Suto, K. ; Nishizawa, J. ; Saito, K. ; Kimura, T.
Author_Institution :
Dept. of Mater. Sci., Tohoku Univ., Sendai, Japan
Abstract :
In this paper, we describe the detailed characteristics of frequency tunable THz-wave generation from GaP, in particular, small-angle noncollinear phase-matching properties. We use this frequency tunable THz-wave source to measure the spectra of macro-molecules such as polymers.
Keywords :
III-V semiconductors; absorption coefficients; gallium compounds; laser beam effects; optical phase matching; phonon dispersion relations; polaritons; semiconductor devices; submillimetre wave generation; 5.5 THz; GaP; frequency tunable THz wave source; frequency tunable terahertz wave generation; macro molecules spectra; phonon polaritons excitations; small-angle noncollinear phase matching properties; Absorption; Crystals; Frequency; Laser beams; Laser excitation; Laser modes; Power generation; Pump lasers; Resonance; Tunable circuits and devices;
Conference_Titel :
Compound Semiconductors, 2003. International Symposium on
Print_ISBN :
0-7803-7820-2
DOI :
10.1109/ISCS.2003.1239971
