Title :
Free space terahertz optoelectronics
Author_Institution :
Dept. of Phys., Rensselaer Polytech. Inst., Troy, NY, USA
Abstract :
Free-space terahertz electro-optic sampling and magneto-optic sampling provide new methods for the measurement of freely-propagating pulsed electromagnetic radiation. Our recent experimental results of electro-optic detection of THz beams demonstrate an oscillation period of a mid-infrared THz beam as short as 31 fs. The upper-limit of frequency bandwidth reaches to 37 THz (8 μm). We also demonstrate, for the first time, the concept and preliminary experimental results of a free-space ultrafast magneto-optic sampling system to measure propagating transient magnetic pulses
Keywords :
electro-optical devices; high-speed optical techniques; magneto-optical devices; signal sampling; submillimetre wave measurement; 31 fs; 37 THz; 8 micron; THF; THz beam detection; free space terahertz optoelectronics; freely-propagating pulsed EM radiation; pulsed electromagnetic radiation measurement; terahertz electro-optic sampling; terahertz magneto-optic sampling; transient magnetic pulses; ultrafast magneto-optic sampling system; Bandwidth; Crystalline materials; Frequency; Gallium arsenide; Laser beams; Laser mode locking; Pulse measurements; Sampling methods; Semiconductor materials; Surface emitting lasers;
Conference_Titel :
Microwave and Optoelectronics Conference, 1997. Linking to the Next Century. Proceedings., 1997 SBMO/IEEE MTT-S International
Conference_Location :
Natal
Print_ISBN :
0-7803-4165-1
DOI :
10.1109/SBMOMO.1997.646784
