Publications [#337437] of Daniel J. Gauthier

Papers Published
  1. Aragoneses, A; Islam, NT; Eggleston, M; Lezama, A; Kim, J; Gauthier, DJ, Bounding the outcome of a two-photon interference measurement using weak coherent states., Optics Letters, vol. 43 no. 16 (August, 2018), pp. 3806-3809, OPTICAL SOC AMER [doi] .

    The interference of two photons at a beam splitter is at the core of many quantum photonic technologies, such as quantum key distribution or linear-optics quantum computing. Observing high-visibility interference is challenging because of the difficulty of realizing indistinguishable single-photon sources. Here, we perform a two-photon interference experiment using phase-randomized weak coherent states with different mean photon numbers. We place a tight upper bound on the expected coincidences for the case when the incident wavepackets contain single photons, allowing us to observe the Hong-Ou-Mandel effect. We find that the interference visibility is at least as large as 0.995-0.013+0.005.

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