Coupling of individual quantum emitters to channel plasmons

Esteban Bermúdez-Ureña (), Carlos Gonzalez-Ballestero, Michael Geiselmann, Renaud Marty, Ilya P. Radko, Tobias Holmgaard, Yury Alaverdyan, Esteban Moreno, Francisco J. García-Vidal, Sergey I. Bozhevolnyi and Romain Quidant ()
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Esteban Bermúdez-Ureña: ICFO–Institut de Ciencies Fotoniques, Mediterranean Technology Park
Carlos Gonzalez-Ballestero: Universidad Autónoma de Madrid
Michael Geiselmann: ICFO–Institut de Ciencies Fotoniques, Mediterranean Technology Park
Renaud Marty: ICFO–Institut de Ciencies Fotoniques, Mediterranean Technology Park
Ilya P. Radko: University of Southern Denmark
Tobias Holmgaard: Aalborg University
Yury Alaverdyan: The Nanoscience Centre, University of Cambridge
Esteban Moreno: Universidad Autónoma de Madrid
Francisco J. García-Vidal: Universidad Autónoma de Madrid
Sergey I. Bozhevolnyi: University of Southern Denmark
Romain Quidant: ICFO–Institut de Ciencies Fotoniques, Mediterranean Technology Park

Nature Communications, 2015, vol. 6, issue 1, 1-9

Abstract: Abstract Efficient light-matter interaction lies at the heart of many emerging technologies that seek on-chip integration of solid-state photonic systems. Plasmonic waveguides, which guide the radiation in the form of strongly confined surface plasmon-polariton modes, represent a promising solution to manipulate single photons in coplanar architectures with unprecedented small footprints. Here we demonstrate coupling of the emission from a single quantum emitter to the channel plasmon polaritons supported by a V-groove plasmonic waveguide. Extensive theoretical simulations enable us to determine the position and orientation of the quantum emitter for optimum coupling. Concomitantly with these predictions, we demonstrate experimentally that 42% of a single nitrogen-vacancy centre emission efficiently couples into the supported modes of the V-groove. This work paves the way towards practical realization of efficient and long distance transfer of energy for integrated solid-state quantum systems.

Date: 2015
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DOI: 10.1038/ncomms8883

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