Title :
Phase detection of pulsed narrowband THz-wave radiation with high sensitivity
Author :
Guo, Ruixiang ; Ohno, Seigo ; Minamide, Hiroaki ; Ito, Hiromasa
Author_Institution :
RIKEN, Sendai
Abstract :
We demonstrate highly sensitive coherent detection of a monochromatic THz-wave pulse at room temperature using the frequency up-conversion in MgO:LiNbO3 combined with balanced homodyne detection. Both the intensity and phase of THz radiation are measured.
Keywords :
electromagnetic pulse; homodyne detection; lithium compounds; magnesium compounds; optical frequency conversion; optical materials; submillimetre wave detectors; LiNbO3:MgO; balanced homodyne detection; frequency upconversion; high-sensitive coherent detection; monochromatic THz-wave pulse; phase detection; pulsed narrowband THz-wave radiation; temperature 293 K to 298 K; Frequency conversion; Laser excitation; Local oscillators; Narrowband; Optical pumping; Phase detection; Phase frequency detector; Phase measurement; Radiation detectors; Temperature sensors; (040.2235) Far infrared or terahertz; (190.7220) Upconversion;
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
