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Casadei A, Llado EA, Amaduzzi F, et al. Polarization response of nanowires à la carte. Sci Rep. 2015;5:7651doi: 10.1038/srep07651.
Casadei, A., Llado, E. A., Amaduzzi, F., Russo-Averchi, E., Rüffer, D., Heiss, M., Dal Negro, L., & Fontcuberta i Morral, A. (2015). Polarization response of nanowires à la carte. Scientific reports, 57651. https://doi.org/10.1038/srep07651
Casadei, Alberto, et al. "Polarization response of nanowires à la carte." Scientific reports vol. 5 (2015): 7651. doi: https://doi.org/10.1038/srep07651
Casadei A, Llado EA, Amaduzzi F, Russo-Averchi E, Rüffer D, Heiss M, Dal Negro L, Fontcuberta i Morral A. Polarization response of nanowires à la carte. Sci Rep. 2015 Jan 07;5:7651. doi: 10.1038/srep07651. PMID: 25564366; PMCID: PMC4288219.
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Sci Rep. 2015 Jan 07;5:7651. doi: 10.1038/srep07651.

Polarization response of nanowires à la carte.

Scientific reports

Alberto Casadei, Esther Alarcon Llado, Francesca Amaduzzi, Eleonora Russo-Averchi, Daniel Rüffer, Martin Heiss, Luca Dal Negro, Anna Fontcuberta i Morral

Affiliations

  1. Laboratoire des Matériaux Semiconducteurs, Institut des Matériaux, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland.
  2. 1] Department of Electrical and Computer Engineering and Photonics Center, Boston University, 8 Saint Marys Street, Boston, MA, 02215, USA [2] Division of Materials Science and Engineering, Boston University, 15 Saint Marys Street, Brookline, MA 02446, USA.

PMID: 25564366 PMCID: PMC4288219 DOI: 10.1038/srep07651

Abstract

Thanks to their special interaction with light, semiconductor nanowires have opened new avenues in photonics, quantum optics and solar energy harvesting. One of the major challenges for their full technological deployment has been their strong polarization dependence in light absorption and emission. In the past, metal nanostructures have been shown to have the ability to modify and enhance the light response of nanoscale objects. Here we demonstrate that a hybrid structure formed by GaAs nanowires with a highly dense array of bow-tie antennas is able to modify the polarization response of a nanowire. As a result, the increase in light absorption for transverse polarized light changes the nanowire polarization response, including the polarization response inversion. This work will open a new path towards the widespread implementation of nanowires applications such as in photodetection, solar energy harvesting and light emission.

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