Nature Communications (Jul 2016)

Direct detection of a single photon by humans

  • Jonathan N. Tinsley,
  • Maxim I. Molodtsov,
  • Robert Prevedel,
  • David Wartmann,
  • Jofre Espigulé-Pons,
  • Mattias Lauwers,
  • Alipasha Vaziri

DOI
https://doi.org/10.1038/ncomms12172
Journal volume & issue
Vol. 7, no. 1
pp. 1 – 9

Abstract

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The detection limit of human vision has remained unclear. Using a quantum light source capable of generating single-photon states of light, authors here report that humans can perceive a single photon incidence on the eye with a probability above chance.