Inhibition, Enhancement, and Control of Spontaneous Emission in Photonic Nanowires

Joël Bleuse, Julien Claudon, Megan Creasey, Nitin. S. Malik, Jean-Michel Gérard, Ivan Maksymov, Jean-Paul Hugonin, and Philippe Lalanne
Phys. Rev. Lett. 106, 103601 – Published 11 March 2011

Abstract

We experimentally investigate the spontaneous emission (SE) rates of single InAs quantum dots embedded in GaAs photonic nanowires. For a diameter leading to the optimal confinement of the fundamental guided mode HE11, the coupling to HE11 dominates the SE process and an increase of the SE rate by a factor of 1.5 is achieved. When the diameter is decreased, the coupling to this mode vanishes rapidly, thus allowing the coupling to the other radiation modes to be probed. In these conditions, a SE inhibition factor of 16, equivalent to the one obtained in state-of-the-art photonic crystals, is measured. These results, which are supported by fully vectorial calculations, confirm the potential of photonic nanowires for a nearly perfect, broadband SE control.

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  • Received 13 October 2010

DOI:https://doi.org/10.1103/PhysRevLett.106.103601

© 2011 American Physical Society

Authors & Affiliations

Joël Bleuse*, Julien Claudon, Megan Creasey, Nitin. S. Malik, and Jean-Michel Gérard

  • CEA-CNRS-UJF group “Nanophysique et Semiconducteurs,” CEA, INAC, SP2M, F-38054 Grenoble, France

Ivan Maksymov, Jean-Paul Hugonin, and Philippe Lalanne

  • Laboratoire Charles Fabry de l’Institut d’Optique, CNRS, Université Paris-Sud, Campus Polytechnique, RD 128, 91127 Palaiseau, France

  • *joel.bleuse@cea.fr
  • julien.claudon@cea.fr

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Issue

Vol. 106, Iss. 10 — 11 March 2011

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