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Imaging and steering an optical wireless nanoantenna link

Author

Listed:
  • Daniel Dregely

    (4th Physics Institute and Research Center SCoPE, University of Stuttgart, Pfaffenwaldring 57
    Max Planck Institute for Solid State Research, Heisenbergstrasse 1)

  • Klas Lindfors

    (4th Physics Institute and Research Center SCoPE, University of Stuttgart, Pfaffenwaldring 57
    Max Planck Institute for Solid State Research, Heisenbergstrasse 1
    University of Cologne, Luxemburger Strasse 116)

  • Markus Lippitz

    (4th Physics Institute and Research Center SCoPE, University of Stuttgart, Pfaffenwaldring 57
    Max Planck Institute for Solid State Research, Heisenbergstrasse 1
    University of Bayreuth, Universitaetsstrasse 30)

  • Nader Engheta

    (University of Pennsylvania, 200 South 33rd Street – ESE 203 Moore)

  • Michael Totzeck

    (Corporate Research and Technology, Carl Zeiss AG, Carl-Zeiss-Strasse 22)

  • Harald Giessen

    (4th Physics Institute and Research Center SCoPE, University of Stuttgart, Pfaffenwaldring 57)

Abstract

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°. This enables wireless power transfer from one transmitter to different receivers.

Suggested Citation

  • Daniel Dregely & Klas Lindfors & Markus Lippitz & Nader Engheta & Michael Totzeck & Harald Giessen, 2014. "Imaging and steering an optical wireless nanoantenna link," Nature Communications, Nature, vol. 5(1), pages 1-8, September.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms5354
    DOI: 10.1038/ncomms5354
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