Title :
Terahertz optical activity by photo-carriers with chiral pattern
Author :
Kanda, N. ; Konishi, K. ; Kuwata-Gonokami, M.
Author_Institution :
Grad. Sch. of Eng., Univ. of Tokyo, Tokyo, Japan
Abstract :
We proposed and demonstrated active control of terahertz optical activity via chiral patterned photo-excitation in a semiconductor with a spatial light modulator. This technique provides a new route to terahertz polarization modulators.
Keywords :
chirality; light polarisation; optical variables control; photoexcitation; spatial light modulators; active control; chiral patterned photo-excitation; photo-carriers; spatial light modulator; terahertz optical activity; terahertz polarization modulators; Metals; Optical amplifiers; Optical device fabrication; Optical polarization; Optical pulses; Optical pumping; Optical ring resonators;
Conference_Titel :
Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2012 37th International Conference on
Conference_Location :
Wollongong, NSW
Print_ISBN :
978-1-4673-1598-2
Electronic_ISBN :
2162-2027
DOI :
10.1109/IRMMW-THz.2012.6380323