Title :
CW THz-wave generation from GaP pumped with semiconductor lasers and its applications for high-resolution spectroscopy
Author :
Tanabe, Tadao ; Ragam, Srinivasa ; Oyama, Yutaka ; Nishizawa, Jun-ichi
Author_Institution :
Tohoku Univ., Sendai, Japan
Abstract :
We have developed a continuous wave (CW) terahertz (THz) wave generation by near infrared laser diode (NIR-LD) pumping based on non-collinear phase-matched difference frequency generation (DFG) in a GaP crystal. The THz output power is improved at suitable length of GaP and NIR beam spot size. By using this generator, we measured spectra with high resolution.
Keywords :
III-V semiconductors; gallium compounds; optical pumping; semiconductor lasers; terahertz wave generation; GaP; continuous wave terahertz-wave generation; difference frequency generation; high-resolution spectroscopy; near infrared laser diode; non-collinear phase-matched; semiconductor lasers; terahertz wave generation; Fiber lasers; Frequency; Laser applications; Laser beams; Laser excitation; Laser tuning; Power generation; Pump lasers; Semiconductor lasers; Spectroscopy;
Conference_Titel :
Infrared, Millimeter, and Terahertz Waves, 2009. IRMMW-THz 2009. 34th International Conference on
Conference_Location :
Busan
Print_ISBN :
978-1-4244-5416-7
Electronic_ISBN :
978-1-4244-5417-4
DOI :
10.1109/ICIMW.2009.5325620
