Title :
Terahertz radiation enhancement in large-area photoconductive sources by using plasmonic nanoantennas
Author :
Yardimci, Nezih T. ; Shang-Hua Yang ; Berry, Christopher W. ; Jarrahi, Mona
Author_Institution :
Electr. Eng. Dept., Univ. of California Los Angeles, Los Angeles, CA, USA
Abstract :
We demonstrate that incorporating plasmonic nanoantennas in large-area photoconductive sources enables record-high terahertz radiation powers as high as 3.8 mW over 0.1-5 THz and an order-of-magnitude higher optical-to-terahertz conversion efficiencies compared to conventional designs.
Keywords :
light sources; metamaterial antennas; nanophotonics; plasmonics; terahertz waves; large-area photoconductive sources; optical-to-terahertz conversion efficiencies; plasmonic nanoantennas; power 3.8 mW; terahertz radiation enhancement; Optical device fabrication; Optical pulses; Optical pumping; Optical recording; Plasmons; Substrates; Terahertz radiation;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
