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Quantum Foundations

Realization of a deterministic quantum Toffoli gate with a single photon

arXiv

Authors: Shihao Ru, Yunlong Wang, Min An, Feiran Wang, Pei Zhang, Fuli Li

Year

2020

Paper ID

19588

Status

Preprint

Abstract Read

~2 min

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Abstract

Quantum controlled-logic gates, including controlled NOT gate and Toffoli gate, play critical roles in lots of quantum information processing schemes. We design and experimentally demonstrate deterministic Toffoli gate by utilizing orbital-angular-momentum and polarization degrees of freedom of a single photon. In addition, we generate Bell states by using the controlled NOT gate. The effective conversion rate of the Toffoli gate in our experiment is \(95.1pm3.2\)\%. Furthermore, our experimental setup does not require any auxiliary photons and probabilistic post selections.

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This paper contributes to the Quantum Foundations research area in the Quantum Articles archive.
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Quantum controlled-logic gates, including controlled NOT gate and Toffoli gate, play critical roles in lots of quantum information processing schemes.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2010.14776 [2] arXiv https://arxiv.org/abs/2010.14776 [3] Publisher https://arxiv.org/abs/2010.14776

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