High-fidelity quantum gates for OAM single qudits on quantum memory

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High-fidelity quantum gates for OAM single qudits on quantum memory. / Vashukevich, E. A. ; Bashmakova, E. N. ; Golubeva, T. Yu. ; Golubev, Yu. M. .

In: Laser Physics Letters, Vol. 19, No. 2, 025202, 02.2022.

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

BibTeX

@article{3410d68f2f8747dabb3e3cf03d5ac671,

title = "High-fidelity quantum gates for OAM single qudits on quantum memory",

abstract = "The application of high-dimensional quantum systems (qudits) in quantum computing and communications seems to be a promising avenue due to the possibility of increasing the amount of information encoded in one physical carrier. In this work, we propose a method for implementing single-qudit gates for qudits based on light modes with orbital angular momentum (OAM). Method for logical qudits encoding, which ensures the quasi-cyclicity of operations, is introduced. Based on the protocol for converting the OAM of light in the Raman quantum memory scheme (Vashukevich et al 2020 Phys. Rev. A 101 033830), we show that the considered gates provide an extremely high level of fidelity of single-qudit transformations. We also compare quantum gates' properties for systems of different dimensions and find the optimal conditions for carrying out transformations in the protocol under consideration",

keywords = "multimodes quantum state, orbital angular momentum, quantum computing, quantum gates, quantum memory, qudit",

author = "Vashukevich, {E. A.} and Bashmakova, {E. N.} and Golubeva, {T. Yu.} and Golubev, {Yu. M.}",

year = "2022",

month = feb,

doi = "10.1088/1612-202X/ac45b2",

language = "English",

volume = "19",

journal = "Laser Physics Letters",

issn = "1612-2011",

publisher = "IOP Publishing Ltd.",

number = "2",

}

RIS

TY - JOUR

T1 - High-fidelity quantum gates for OAM single qudits on quantum memory

AU - Vashukevich, E. A.

AU - Bashmakova, E. N.

AU - Golubeva, T. Yu.

AU - Golubev, Yu. M.

PY - 2022/2

Y1 - 2022/2

N2 - The application of high-dimensional quantum systems (qudits) in quantum computing and communications seems to be a promising avenue due to the possibility of increasing the amount of information encoded in one physical carrier. In this work, we propose a method for implementing single-qudit gates for qudits based on light modes with orbital angular momentum (OAM). Method for logical qudits encoding, which ensures the quasi-cyclicity of operations, is introduced. Based on the protocol for converting the OAM of light in the Raman quantum memory scheme (Vashukevich et al 2020 Phys. Rev. A 101 033830), we show that the considered gates provide an extremely high level of fidelity of single-qudit transformations. We also compare quantum gates' properties for systems of different dimensions and find the optimal conditions for carrying out transformations in the protocol under consideration

AB - The application of high-dimensional quantum systems (qudits) in quantum computing and communications seems to be a promising avenue due to the possibility of increasing the amount of information encoded in one physical carrier. In this work, we propose a method for implementing single-qudit gates for qudits based on light modes with orbital angular momentum (OAM). Method for logical qudits encoding, which ensures the quasi-cyclicity of operations, is introduced. Based on the protocol for converting the OAM of light in the Raman quantum memory scheme (Vashukevich et al 2020 Phys. Rev. A 101 033830), we show that the considered gates provide an extremely high level of fidelity of single-qudit transformations. We also compare quantum gates' properties for systems of different dimensions and find the optimal conditions for carrying out transformations in the protocol under consideration

KW - multimodes quantum state

KW - orbital angular momentum

KW - quantum computing

KW - quantum gates

KW - quantum memory

KW - qudit

UR - https://iopscience.iop.org/article/10.1088/1612-202X/ac45b2

UR - http://www.scopus.com/inward/record.url?scp=85124248777&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/4062b697-e9a2-326d-be7b-b19b55aca0d7/

U2 - 10.1088/1612-202X/ac45b2

DO - 10.1088/1612-202X/ac45b2

M3 - Article

VL - 19

JO - Laser Physics Letters

JF - Laser Physics Letters

SN - 1612-2011

IS - 2

M1 - 025202

ER -

ID: 91195627