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Nano Lett. 2011 Jan 12;11(1):220-4. doi: 10.1021/nl103585j. Epub 2010 Dec 6.

Plasmonic resonance effects for tandem receiving-transmitting nanoantennas.

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  • 1EE department, Technion-Israel Institute of Technology, Technion City, Haifa 32000, Israel.


A nanoplasmonic "transceiver" was assembled to examine the efficiency of coupled plasmonic antennas and their resonance interactions. In particular, plasmonic focusing receiver antenna coupled to transmitting annular antenna having a short central plasmonic wire was measured. The receiver collected incoming radially polarized light and efficiently focused and coupled it to a rear side transmitter comprised of a short resonant plasmonic wire and annular aperture. Transmission spectra exhibited a substantial signature of the wire Fabry-Perot resonances. The wire antenna crossection was improved by nearly 3 orders of magnitude by the focusing antenna system.

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