Engineering the emission of light from a scanning tunneling microscope using the plasmonic modes of a nanoparticle

Eric Le Moal, Sylvie Marguet, Damien Canneson, Benoît Rogez, Elizabeth Boer-Duchemin, Gérald Dujardin, Tatiana V. Teperik, Dana-Codruta Marinica, and Andrey G. Borisov
Phys. Rev. B 93, 035418 – Published 11 January 2016

Abstract

The inelastic tunnel current in the junction formed between the tip of a scanning tunneling microscope (STM) and the sample can electrically generate optical signals. This phenomenon is potentially of great importance for nano-optoelectronic devices. In practice, however, the properties of the emitted light are difficult to control because of the strong influence of the STM tip. In this work, we show both theoretically and experimentally that the sought-after, well-controlled emission of light from an STM tunnel junction may be achieved using a nonplasmonic STM tip and a plasmonic nanoparticle on a transparent substrate. We demonstrate that the native plasmon modes of the nanoparticle may be used to engineer the light emitted in the substrate. Both the angular distribution and intensity of the emitted light may be varied in a predictable way by choosing the excitation position of the STM tip on the particle.

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  • Received 24 September 2015
  • Revised 3 December 2015

DOI:https://doi.org/10.1103/PhysRevB.93.035418

©2016 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

Eric Le Moal1,*, Sylvie Marguet2, Damien Canneson1, Benoît Rogez1, Elizabeth Boer-Duchemin1, Gérald Dujardin1, Tatiana V. Teperik3, Dana-Codruta Marinica1, and Andrey G. Borisov1,†

  • 1Institut des Sciences Moléculaires d'Orsay (ISMO), CNRS, Univ Paris Sud, Université Paris-Saclay, F-91405 Orsay, France
  • 2NIMBE, CEA, CNRS, Université Paris-Saclay, CEA Saclay 91191 Gif-sur-Yvette, France
  • 3Donostia International Physics Center DIPC, Paseo Manuel de Lardizabal 4, 20018, Donostia-San Sebastían, Spain

  • *eric.le-moal@u-psud.fr
  • andrei.borissov@u-psud.fr

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Issue

Vol. 93, Iss. 3 — 15 January 2016

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