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Radiation and Receiving Gain of Nano-optical Yagi-Uda Antenna Embedded in Slab Dielectric Waveguide

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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.

© 2013 Optical Society of America

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