Title :
Terahertz-wave generation from periodically-inverted GaP pumped at 1.55 μm
Author :
Tomita, Isao ; Takenouchi, Hirokazu ; Suzuki, Hiroyuki ; Ajito, Katsuhiro ; Rungsawang, Rakchanok ; Ueno, Yuko ; Ito, Hiroshi
Author_Institution :
NTT Photonics Labs., NTT Corp., Kanagawa, Japan
Abstract :
This paper demonstrates a THz-wave source employing difference-frequency generation (DFG) pumped at 1.55 μm. THz signals are effectively generated by quasi-phase-matching in DFG from a periodically-inverted GaP stack at frequencies of 1 and 2.6 THz.
Keywords :
gallium compounds; infrared sources; optical frequency conversion; optical phase matching; optical pumping; submillimetre wave generation; 1 THz; 1.55 mum; 2.6 THz; GaP; GaP pumping; THz signals; THz-wave source; difference-frequency generation; periodically-inverted pumping; quasiphase-matching; terahertz-wave generation; Biomedical optical imaging; Gallium arsenide; Laboratories; Laser excitation; Light sources; Nonlinear optics; Optical losses; Optical pulse generation; Optical pumping; Stimulated emission;
Conference_Titel :
Lasers and Electro-Optics Society, 2005. LEOS 2005. The 18th Annual Meeting of the IEEE
Print_ISBN :
0-7803-9217-5
DOI :
10.1109/LEOS.2005.1547967
