Toffoli gate based on a three-body fine-structure-state-changing Förster resonance in Rydberg atoms

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Toffoli gate based on a three-body fine-structure-state-changing Förster resonance in Rydberg atoms. / Ashkarin, I. N.; Beterov, I. I.; Yakshina, E. A. et al.

In: Physical Review A, Vol. 106, No. 3, 032601, 09.2022.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{ad8a7e081b1f464b887d34e4638ee480,

title = "Toffoli gate based on a three-body fine-structure-state-changing F{\"o}rster resonance in Rydberg atoms",

abstract = "We have developed an improved scheme of a three-qubit Toffoli gate based on a fine-structure-state-changing three-body Stark-tuned Rydberg interaction. This scheme is a substantial improvement of our previous proposal [I. I. Beterov, Phys. Rev. A 98, 042704 (2018)2469-992610.1103/PhysRevA.98.042704]. Due to the use of a different type of three-body F{\"o}rster resonance we substantially simplified the scheme of laser excitation and phase dynamics of collective three-body states. This type of F{\"o}rster resonance exists only in systems with more than two atoms, while the two-body resonance is absent. We reduced the sensitivity of the gate fidelity to fluctuations of external electric field and eliminated the necessity to use external magnetic field for fine-tuning of the resonant electric-field value, compared to the previous scheme of Toffoli gate based on Rydberg atoms. A gate fidelity of >99% was demonstrated in the calculations.",

author = "Ashkarin, {I. N.} and Beterov, {I. I.} and Yakshina, {E. A.} and Tretyakov, {D. B.} and Entin, {V. M.} and Ryabtsev, {I. I.} and P. Cheinet and Pham, {K. L.} and S. Lepoutre and P. Pillet",

note = "Funding Information: This work was supported by the Russia-France cooperation grant ECOMBI (CNRS Grant No. PRC2312 and RFBR Grant No. 19-52-15010). The Russian team was also supported by the Novosibirsk State University and by the Foundation for the Advancement of Theoretical Physics and Mathematics “BASIS”. The French team was also supported by the EU H2020 FET Proactive project RySQ (Grant No. 640378). Publisher Copyright: {\textcopyright} 2022 American Physical Society. ",

year = "2022",

month = sep,

doi = "10.1103/PhysRevA.106.032601",

language = "English",

volume = "106",

journal = "Physical Review A",

issn = "2469-9926",

publisher = "American Physical Society",

number = "3",

}

RIS

TY - JOUR

T1 - Toffoli gate based on a three-body fine-structure-state-changing Förster resonance in Rydberg atoms

AU - Ashkarin, I. N.

AU - Beterov, I. I.

AU - Yakshina, E. A.

AU - Tretyakov, D. B.

AU - Entin, V. M.

AU - Ryabtsev, I. I.

AU - Cheinet, P.

AU - Pham, K. L.

AU - Lepoutre, S.

AU - Pillet, P.

N1 - Funding Information: This work was supported by the Russia-France cooperation grant ECOMBI (CNRS Grant No. PRC2312 and RFBR Grant No. 19-52-15010). The Russian team was also supported by the Novosibirsk State University and by the Foundation for the Advancement of Theoretical Physics and Mathematics “BASIS”. The French team was also supported by the EU H2020 FET Proactive project RySQ (Grant No. 640378). Publisher Copyright: © 2022 American Physical Society.

PY - 2022/9

Y1 - 2022/9

N2 - We have developed an improved scheme of a three-qubit Toffoli gate based on a fine-structure-state-changing three-body Stark-tuned Rydberg interaction. This scheme is a substantial improvement of our previous proposal [I. I. Beterov, Phys. Rev. A 98, 042704 (2018)2469-992610.1103/PhysRevA.98.042704]. Due to the use of a different type of three-body Förster resonance we substantially simplified the scheme of laser excitation and phase dynamics of collective three-body states. This type of Förster resonance exists only in systems with more than two atoms, while the two-body resonance is absent. We reduced the sensitivity of the gate fidelity to fluctuations of external electric field and eliminated the necessity to use external magnetic field for fine-tuning of the resonant electric-field value, compared to the previous scheme of Toffoli gate based on Rydberg atoms. A gate fidelity of >99% was demonstrated in the calculations.

AB - We have developed an improved scheme of a three-qubit Toffoli gate based on a fine-structure-state-changing three-body Stark-tuned Rydberg interaction. This scheme is a substantial improvement of our previous proposal [I. I. Beterov, Phys. Rev. A 98, 042704 (2018)2469-992610.1103/PhysRevA.98.042704]. Due to the use of a different type of three-body Förster resonance we substantially simplified the scheme of laser excitation and phase dynamics of collective three-body states. This type of Förster resonance exists only in systems with more than two atoms, while the two-body resonance is absent. We reduced the sensitivity of the gate fidelity to fluctuations of external electric field and eliminated the necessity to use external magnetic field for fine-tuning of the resonant electric-field value, compared to the previous scheme of Toffoli gate based on Rydberg atoms. A gate fidelity of >99% was demonstrated in the calculations.

UR - http://www.scopus.com/inward/record.url?scp=85138144684&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/0b134aff-ed93-3e5c-b415-0b139d2f357d/

U2 - 10.1103/PhysRevA.106.032601

DO - 10.1103/PhysRevA.106.032601

M3 - Article

AN - SCOPUS:85138144684

VL - 106

JO - Physical Review A

JF - Physical Review A

SN - 2469-9926

IS - 3

M1 - 032601

ER -

ID: 38037276