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Hectometer revivals of quantum interference

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  • Markus Rambach
  • W. Y. Sarah Lau
  • Simon Laibacher
  • Dr Vincenzo Tamma
  • Andrew G. White
  • Till J. Weinhold
Cavity-enhanced single photon sources exhibit mode-locked biphoton states with comblike correlation functions. Our ultrabright source additionally emits single photon pairs as well as two-photon NOON states, dividing the output into an even and an odd comb, respectively. With even-comb photons we demonstrate revivals of the typical nonclassical Hong-Ou-Mandel interference up to the 84th dip, corresponding to a path length difference exceeding 100 m. With odd-comb photons we observe single photon interference fringes modulated over twice the displacement range of the Hong-Ou-Mandel interference.
Original languageEnglish
Article number093603
JournalPhysical Review Letters
Issue number8
Publication statusPublished - 30 Aug 2018


  • PhysRevLett.121.093603

    Rights statement: Markus Rambach, W. Y. Sarah Lau, Simon Laibacher, Vincenzo Tamma, Andrew G. White, and Till J. Weinhold (2018). 'Hectometer Revivals of Quantum Interference'. Phys. Rev. Lett. 121, 093603. © 2018 American Physical Society.

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