Testing multi-photon interference on a silicon chip.

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ID: 86724
2019
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Ranked #19 of 81 articles by views in Optics express

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Abstract
Multi-photon interference in large multi-port interferometers is key to linear optical quantum computing and in particular to boson sampling. Silicon photonics enables complex interferometric circuits with many components in a small footprint and has the potential to extend these experiments to larger numbers of interfering modes. However, loss has generally limited the implementation of multi-photon experiments in this platform. Here, we make use of high-efficiency grating couplers to combine bright and pure quantum light sources based on ppKTP waveguides with silicon circuits. We interfere up to 5 photons in up to 15 modes, verifying genuine multi-photon interference by comparing the results against various models including partial distinguishability between photons.
Reference Key
bell2019testingoptics Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Bell, Bryn A;Thekkadath, Guillaume S;Ge, Renyou;Cai, Xinlun;Walmsley, Ian A;
Journal Optics express
Year 2019
DOI
10.1364/OE.27.035646
URL
Keywords
spectroscopy biomedical sensor control setup mode competition optical design

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