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Photonic Quantum Computing

Experimental demonstration of an efficient, semi-device-independent photonic indistinguishability witness

arXiv
Authors: Reinier van der Meer, Peter Hooijschuur, Franciscus H. B. Somhorst, Pim Venderbosch, Michiel de Goede, Ben Kassenberg, Henk Snijders, Caterina Taballione, Jorn Epping, Hans van den Vlekkert, Nathan Walk, Pepijn W. H. Pinkse, Jelmer J. Renema

Year

2021

Paper ID

41112

Status

Preprint

Abstract Read

~2 min

Abstract Words

73

Citations

N/A

Abstract

Efficient and reliable measurements of photonic indistinguishability are crucial to solidify claims of a quantum advantage in photonics. Existing indistinguishability witnesses may be vulnerable to implementation loopholes, showing the need for a measurement which depends on as few assumptions as possible. Here, we introduce a semi-device-independent witness of photonic indistinguishability and measure it on an integrated photonic processor, certifying three-photon indistinguishability in a way that is insensitive to implementation errors in our processor.

Why This Paper Matters

  • This paper contributes to the Photonic Quantum Computing research area in the Quantum Articles archive.
  • It adds a 2021 reference point for readers tracking recent quantum research.
  • Efficient and reliable measurements of photonic indistinguishability are crucial to solidify claims of a quantum advantage in photonics.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2112.00067 [2] arXiv https://arxiv.org/abs/2112.00067 [3] Publisher https://arxiv.org/abs/2112.00067

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