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Photonic Quantum Computing

Doubly-heralded single-photon absorption by a single atom

arXiv
Authors: José Brito, Stephan Kucera, Pascal Eich, Philipp Müller, Jürgen Eschner

Year

2015

Paper ID

7974

Status

Preprint

Abstract Read

~2 min

Abstract Words

82

Citations

N/A

Abstract

We report on a single-photon-to-single-atom interface, where a single photon generated by Spontaneous Parametric Down Conversion (SPDC) is absorbed by a single trapped ion. The photon is heralded by its time-correlated partner generated in the SPDC process, while the absorption event is heralded by a single photon emitted in its course. Coincidence detection marks doubly-heralded absorption, enabling photon-to-atom quantum state transfer [1, 2]. Background in the coincidence measurement is strongly suppressed by a new method that discriminates real absorption events from dark count-induced coincidences.

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  • This paper contributes to the Photonic Quantum Computing research area in the Quantum Articles archive.
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  • We report on a single-photon-to-single-atom interface, where a single photon generated by Spontaneous Parametric Down Conversion (SPDC) is absorbed by a single trapped ion.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1508.01029 [2] arXiv https://arxiv.org/abs/1508.01029 [3] Publisher https://arxiv.org/abs/1508.01029

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