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Proceedings Article

Tailoring the interaction between matter and polarized light with plasmonic optical antennas

[+] Author Affiliations
P. Biagioni, M. Savoini, L. Duò, M. Finazzi

Politecnico di Milano (Italy)

X. Wu, J. Ziegler, B. Hecht

Julius-Maximilians-Univ. Würzburg (Germany)

J.-S. Huang

National Tsing Hua Univ. (Taiwan)

Proc. SPIE 7922, Synthesis and Photonics of Nanoscale Materials VIII, 79220C (February 21, 2011); doi:10.1117/12.876571
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From Conference Volume 7922

  • Synthesis and Photonics of Nanoscale Materials VIII
  • David B. Geohegan; Jan J. Dubowski; Frank Träger
  • San Francisco, California, USA | January 22, 2011

abstract

We explore the possibility to control the polarization state of light confined into sub-diffraction volumes by means of plasmonic optical antennas. To this aim, we describe a resonant cross antenna, constituted of two perpendicular two-wire antennas sharing the same gap, which is able to maintain the polarization state in the plane of the antenna. We also discuss how, by proper tuning of the arm length in a slightly off-resonance cross antenna, it is possible to effectively realize a nanoscale quarter-waveplate antenna. We present experimental results for the preparation of individual cross antennas by means of focused ion beam milling starting from single-crystalline Au microflakes, and finally show preliminary characterization results based on two-photon photoluminescence confocal imaging with linearly-polarized light.

© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

P. Biagioni ; X. Wu ; M. Savoini ; J. Ziegler ; J.-S. Huang, et al.
"Tailoring the interaction between matter and polarized light with plasmonic optical antennas", Proc. SPIE 7922, Synthesis and Photonics of Nanoscale Materials VIII, 79220C (February 21, 2011); doi:10.1117/12.876571; http://dx.doi.org/10.1117/12.876571


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