Plasmonic nanoantenna based triggered single-photon source

J. Straubel, R. Filter, C. Rockstuhl, and K. Słowik
Phys. Rev. B 93, 195412 – Published 9 May 2016

Abstract

Highly integrated single-photon sources are key components in future quantum-optical circuits. Whereas the probabilistic generation of single photons can routinely be done by now, their triggered generation is a much greater challenge. Here, we describe the triggered generation of single photons in a hybrid plasmonic device. It consists of a lambda-type quantum emitter coupled to a multimode optical nanoantenna. For moderate interaction strengths between the subsystems, the description of the quantum optical evolution can be simplified by an adiabatic elimination of the electromagnetic fields of the nanoantenna modes. This leads to an insightful analysis of the emitter's dynamics, entails the opportunity to understand the physics of the device, and to identify parameter regimes for a desired operation. Even though the approach presented in this work is general, we consider a simple exemplary design of a plasmonic nanoantenna, made of two silver nanorods, suitable for triggered generation of single photons. The investigated device realizes single photons, triggered, potentially at high rates, and using low device volumes.

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  • Received 27 October 2015
  • Revised 2 April 2016

DOI:https://doi.org/10.1103/PhysRevB.93.195412

©2016 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

J. Straubel1, R. Filter2, C. Rockstuhl1,3, and K. Słowik1,4,*

  • 1Institute of Theoretical Solid State Physics, Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany
  • 2Institute of Condensed Matter Theory and Solid State Optics, Abbe Center of Photonics, Friedrich-Schiller-University Jena, Max-Wien-Platz 1, 07743 Jena, Germany
  • 3Institute of Nanotechnology, Karlsruhe Institute of Technology, 76021 Karlsruhe, Germany
  • 4Institute of Physics, Faculty of Physics, Astronomy and Informatics, Nicolaus Copernicus University, Grudziadzka 5, 87-100 Torun, Poland

  • *karolina@fizyka.umk.pl

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Vol. 93, Iss. 19 — 15 May 2016

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