Title :
Radiation and receiving gain of nano-optical Yagi-Uda antenna embedded in slab dielectric waveguide
Author :
Yanazawa, Kaori ; Tobisu, Yusuke ; Maeda, Shigenobu ; Hofmann, Heath F. ; Kadoya, Yutaka
Author_Institution :
Grad. Sch. of Adv. Sci. of Matter, Hiroshima Univ., Higashi-Hiroshima, Japan
Abstract :
The plasmonic optical Yagi-Uda antennas embedded in a dielectric waveguide were characterized. The coupling efficiency to the waveguide was found to be about four times that of the single dipole in the 5-element antenna both in the radiation and receiving modes.
Keywords :
Yagi antenna arrays; metamaterial antennas; nanophotonics; optical couplers; optical waveguides; photodetectors; plasmonics; nanooptical Yagi-Uda antenna; optical coupling efficiency; plasmonic optical Yagi-Uda antennas; radiation gain; receiving gain; slab dielectric waveguide; Antenna measurements; Dipole antennas; Directive antennas; Gratings; Optical waveguides; Receiving antennas; Yagi-Uda antennas;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
