Title :
Large enhancement of nonlinear Terahertz absorption in intrinsic GaAs by plasmonic nano antennas
Author :
Young-Gyun Jeong ; Paul, Michael J. ; Seung-hyun Kim ; Ki-Ju Yee ; Dai-Sik Kim ; Yun-Shik Lee
Author_Institution :
Dept. of Phys., Oregon State Univ., Corvallis, OR, USA
Abstract :
Strong THz fields produce pronounced changes in the THz transmission of a nano-antenna-array-patterned GaAs film. The nonlinear absorption of the nano-antenna/GaAs composite is significantly larger than that of bare GaAs due to field enhancement by the nano-antennas.
Keywords :
III-V semiconductors; antennas; composite materials; gallium arsenide; nanophotonics; nonlinear optics; optical arrays; optical films; optical materials; plasmonics; terahertz materials; terahertz wave spectra; GaAs; THz transmission; bare GaAs; field enhancement; intrinsic GaAs; nanoantenna-array-patterned GaAs film; nanoantenna/GaAs composite; nonlinear terahertz absorption; plasmonic nanoantennas; strong THz fields; Absorption; Antennas; Educational institutions; Gallium arsenide; Physics; Resonant frequency; Spectroscopy;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
