期刊
OPTICA
卷 4, 期 1, 页码 90-96出版社
OPTICAL SOC AMER
DOI: 10.1364/OPTICA.4.000090
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资金
- Engineering and Physical Sciences Research Council (EPSRC) [EP/K034480/1, EP/M013243/1, EP/J008052/1]
- Air Force Office of Scientific Research (AFOSR) (AFOSR EOARD) [FA8655-09-1-3020]
- EC Marie Curie Fellowship [PIEF-GA-2012-331859]
- Air Force Institute of Technology (AFIT)
- Oxford Martin School, University of Oxford
- European Research Council (ERC) (MOQUACINO)
- Horizon [641039]
- EPSRC [EP/J008052/1, EP/K034480/1, EP/M013243/1, EP/M024539/1, EP/C013956/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/M024539/1, EP/M013243/1, EP/J008052/1, EP/K034480/1, EP/C013956/1, 1105608] Funding Source: researchfish
Interference between independent single photons is perhaps the most fundamental interaction in quantum optics. It has become increasingly important as a tool for optical quantum information science, as one of the rudimentary quantum operations, together with photon detection, for generating entanglement between non-interacting particles. Despite this, demonstrations of large-scale photonic networks involving more than two independent sources of quantum light have been limited due to the difficulty in constructing large arrays of high-quality, single-photon sources. Here, we solve the key challenge, reporting on a novel array of five near-identical, low-loss, high-purity, heralded single-photon sources using spontaneous four-wave mixing on a silica chip. We verify source quality through a series of heralded Hong-Ou-Mandel (HOM) experiments, and further report the experimental three-photon extension of the HOM interference effect, which maps out for the first time, to our knowledge, the interference landscape between three independent single-photon sources. Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License.
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