Dynamically unpolarized singlephoton source in diamond with intrinsic randomness

Naofumi Abe, Yasuyoshi Mitsumori, Mark Sadgrove, Keiichi Edamatsu

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

Polarization is one of the fundamental properties of light, providing numerous applications in science and technology. While 'dynamically unpolarized' single-photon sources are demanded for various quantum applications, such sources have never been explored. Here we demonstrate dynamically unpolarized single-photon emission from a single [111]-oriented nitrogen- vacancy centre in diamond, in which the single-photon stream is unpolarized, exhibiting intrinsic randomness with vanishing polarization correlation between time adjacent photons. These properties not only allow true random number generation, but may also enable fundamental tests in quantum physics.

Original languageEnglish
Article number46722
JournalScientific reports
Volume7
DOIs
Publication statusPublished - 2017

ASJC Scopus subject areas

  • General

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