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Photonic Quantum Computing Spin Qubits Silicon Quantum Computing

Single photon wavefront-splitting interference: An illustration of the light quantum in action

arXiv
Authors: V. Jacques, E. Wu, T. Toury, F. Treussart, A. Aspect, P. Grangier, J. -F. Roch

Year

2020

Paper ID

18995

Status

Preprint

Abstract Read

~2 min

Abstract Words

105

Citations

N/A

Abstract

We present a new realization of the textbook experiment consisting in single-photon interference based on the pulsed, optically excited photoluminescence of a single colour centre in a diamond nanocrystal. Interferences are created by wavefront-splitting with a Fresnel's biprism and observed by registering the "single-photon clicks" with an intensified CCD camera. This imaging detector provides also a real-time movie of the build-up of the single-photon fringes. We perform a second experiment with two detectors sensitive to photons that follow either one or the other interference path. Evidence for single photon behaviour is then obtained from the absence of time coincidence between detections in these two paths.

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  • We present a new realization of the textbook experiment consisting in single-photon interference based on the pulsed, optically excited photoluminescence of a single colour...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2011.12664 [2] arXiv https://arxiv.org/abs/2011.12664 [3] Publisher https://arxiv.org/abs/2011.12664

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