Hectometer revivals of quantum interference

Markus Rambach, W. Y. Sarah Lau, Simon Laibacher, Vincenzo Tamma, Andrew G. White, Till J. Weinhold

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Abstract

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
Volume121
Issue number8
DOIs
Publication statusPublished - 30 Aug 2018

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