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Imaging and steering an optical wireless nanoantenna link

Title data

Dregely, Daniel ; Lindfors, Klas ; Lippitz, Markus ; Engheta, Nader ; Totzeck, Michael ; Giessen, Harald:
Imaging and steering an optical wireless nanoantenna link.
In: Nature Communications. Vol. 5 (July 2014) . - Artikel 4354.
ISSN 2041-1723
DOI: https://doi.org/10.1038/ncomms5354

Abstract in another language

Optical nanoantennas tailor the transmission and reception of optical signals. Owing to their capacity to control the direction and angular distribution of optical radiation over a broad spectral range, nanoantennas are promising components for optical communication in nanocircuits. Here we measure wireless optical power transfer between plasmonic nanoantennas in the far-field and demonstrate changeable signal routing to different nanoscopic receivers via beamsteering. We image the radiation pattern of single-optical nanoantennas using a photoluminescence technique, which allows mapping of the unperturbed intensity distribution around plasmonic structures. We quantify the distance dependence of the power transmission between transmitter and receiver by deterministically positioning nanoscopic fluorescent receivers around the transmitting nanoantenna. By adjusting the wavefront of the optical field incident on the transmitter, we achieve directional control of the transmitted radiation over a broad range of 29 degrees. This enables wireless power transfer from one transmitter to different receivers.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Lehrstuhl Experimentalphysik III - Nanooptik > Lehrstuhl Experimentalphysik III - Nanooptik - Univ.-Prof. Dr. Markus Lippitz
Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Lehrstuhl Experimentalphysik III - Nanooptik
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 530 Physics
Date Deposited: 13 Nov 2015 13:25
Last Modified: 13 Nov 2015 13:25
URI: https://eref.uni-bayreuth.de/id/eprint/22207