English

Realization of a deterministic quantum Toffoli gate with a single photon

Quantum Physics 2021-02-17 v3

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 (95.1±3.2)%(95.1\pm3.2)\%. Furthermore, our experimental setup does not require any auxiliary photons and probabilistic post selections.

Keywords

Cite

@article{arxiv.2010.14776,
  title  = {Realization of a deterministic quantum Toffoli gate with a single photon},
  author = {Shihao Ru and Yunlong Wang and Min An and Feiran Wang and Pei Zhang and Fuli Li},
  journal= {arXiv preprint arXiv:2010.14776},
  year   = {2021}
}

Comments

6 pages, 5 figures, 2tables

R2 v1 2026-06-23T19:42:27.903Z