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O: Fachverband Oberflächenphysik
O 7: Plasmonics and Nanooptics I
O 7.4: Talk
Monday, March 11, 2013, 11:15–11:30, H31
Experimental realization of an optical point-to-point connection with nanoantennas — •Daniel Dregely1, Klas Lindfors1,2, Markus Lippitz1,2, and Harald Giessen1 — 14th Physics Institute and Research Center SCoPE, University of Stuttgart, D-70569 Stuttgart, Germany — 2Max Planck Institute for Solid State Research, D-70569 Stuttgart, Germany
Advances in nanofabrication in the past years allowed for the adaption of radiofrequency and microwave concepts to optical wavelengths. It was theoretically proposed that optical nano-antennas outperform direct wire connects in energy transmission on the nanoscale [1]. We experimentally realized an optical antenna link using a transmitter and a receiver antenna. We furthermore used different antenna geometries to increase the energy transmission efficiency and show that the direction of the transmitted beam can be spatially steered using phase control.
[1] A. Alù and N. Engheta, Phys. Rev. Lett. 104, 213902 (2010).