Title :
Terahertz generation and detection using nonlinear frequency conversion
Author :
Chen, Jerry C. ; Khan, M. Jalal ; Liau, Zong-Long ; Kaushik, Sumanth
Author_Institution :
M.I.T. Lincoln Lab., Lexington, MA, USA
Abstract :
Ti-sapphire is nonlinearly converted to 1 mW average terahertz power at 9.9% photon conversion efficiency. Terahertz is mixed with 1550 nm pump in quasi-phase-matched GaAs, for ultra-sensitive (78 fW/Hz1/2), room-temperature detection with nanosecond timing resolution.
Keywords :
III-V semiconductors; gallium arsenide; microwave photonics; optical frequency conversion; optical phase matching; optical pumping; optical sensors; sapphire; terahertz wave detectors; terahertz wave generation; titanium; Al2O3:Ti; GaAs; nanosecond timing resolution; nonlinear frequency conversion; optical pumping; quasiphase-matching; room-temperature detection; temperature 293 K to 298 K; terahertz detection; terahertz generation; ultrasensitive detection; wavelength 1550 nm;
Conference_Titel :
IEEE Photonics Society, 2010 23rd Annual Meeting of the
Conference_Location :
Denver, CO
Print_ISBN :
978-1-4244-5368-9
DOI :
10.1109/PHOTONICS.2010.5698812