Nonclassical higher-order photon correlations with a quantum dot strongly coupled to a photonic-crystal nanocavity

Armand Rundquist, Michal Bajcsy, Arka Majumdar, Tomas Sarmiento, Kevin Fischer, Konstantinos G. Lagoudakis, Sonia Buckley, Alexander Y. Piggott, and Jelena Vučković
Phys. Rev. A 90, 023846 – Published 25 August 2014

Abstract

We use the third- and fourth-order autocorrelation functions g(3)(τ1,τ2) and g(4)(τ1,τ2,τ3) to detect the nonclassical character of the light transmitted through a photonic-crystal nanocavity containing a strongly coupled quantum dot probed with a train of coherent light pulses. We contrast the value of g(3)(0,0) with the conventionally used g(2)(0) and demonstrate that, in addition to being necessary for detecting two-photon states emitted by a low-intensity source, g(3) provides a more clear indication of the nonclassical character of a light source. We also present preliminary data that demonstrates bunching in the fourth-order autocorrelation function g(4)(τ1,τ2,τ3) as the first step toward detecting three-photon states.

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  • Received 12 July 2013
  • Revised 27 March 2014

DOI:https://doi.org/10.1103/PhysRevA.90.023846

©2014 American Physical Society

Authors & Affiliations

Armand Rundquist1,*, Michal Bajcsy1,2,†, Arka Majumdar1,3,4, Tomas Sarmiento1, Kevin Fischer1, Konstantinos G. Lagoudakis1, Sonia Buckley1, Alexander Y. Piggott1, and Jelena Vučković1

  • 1E. L. Ginzton Laboratory, Stanford University, Stanford, California 94305, USA
  • 2Institute for Quantum Computing, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1
  • 3Department of Physics, University of California, Berkeley, California 94720, USA
  • 4Department of Electrical Engineering, University of Washington, Seattle, Washington 98195-2500, USA

  • *armandhr@stanford.edu
  • mbajcsy@uwaterloo.ca

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Vol. 90, Iss. 2 — August 2014

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