Title :
Two photon absorption effect of terahertz radiation from low-temperature-grown GaAs photoconductive antennas
Author :
Yang, Chan-Shan ; Pan, Ci-Ling ; Lee, Chao-Kuei ; Lin, Sung-Hui
Author_Institution :
Dept. of Phys., Nat. Tsing Hwa Univ., Hsinchu, Taiwan
Abstract :
We investigate the possibility of enhancing terahertz radiation power though two-photon absorption induced extra photo-carrier in photoconductive antenna. Meanwhile, competition between single photon absorption and two photon absorption for terahertz radiation are discussed as well.
Keywords :
III-V semiconductors; antennas; gallium arsenide; microwave photonics; photoconducting devices; photoexcitation; two-photon processes; GaAs; low-temperature-grown photoconductive antennas; photocarrier; single photon absorption; terahertz radiation power; two photon absorption; Absorption; Antennas; Laser beams; Laser excitation; Photonics; Power lasers; Pump lasers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4
