Qubit readout and quantum sensing with pulses of quantum radiation

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

Qubit readout and quantum sensing with pulses of quantum radiation. / Khanahmadi, Maryam; Mølmer, Klaus.

In: Physical Review A, Vol. 107, No. 1, 013705, 2023.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Khanahmadi, M & Mølmer, K 2023, 'Qubit readout and quantum sensing with pulses of quantum radiation', Physical Review A, vol. 107, no. 1, 013705. https://doi.org/10.1103/PhysRevA.107.013705

APA

Khanahmadi, M., & Mølmer, K. (2023). Qubit readout and quantum sensing with pulses of quantum radiation. Physical Review A, 107(1), [013705]. https://doi.org/10.1103/PhysRevA.107.013705

Vancouver

Khanahmadi M, Mølmer K. Qubit readout and quantum sensing with pulses of quantum radiation. Physical Review A. 2023;107(1). 013705. https://doi.org/10.1103/PhysRevA.107.013705

Author

Khanahmadi, Maryam ; Mølmer, Klaus. / Qubit readout and quantum sensing with pulses of quantum radiation. In: Physical Review A. 2023 ; Vol. 107, No. 1.

Bibtex

@article{daa32ce37cc0479783d6700583771b80,
title = "Qubit readout and quantum sensing with pulses of quantum radiation",
abstract = "Different hypotheses about a quantum system such as the logical state of a qubit or the value of physical interaction parameters can be investigated by the interaction with a probe field. Such fields may be prepared in particularly sensitive quantum states and we demonstrate here the use of quantum trajectories to model the stochastic measurement record and conditional evolution of the state of the quantum system subject to its interaction with a traveling pulse of radiation. Our analysis applies to different measurement strategies and to arbitrary input quantum states of the probe field pulse and it thus permits direct comparison of their metrological advantages. A theoretical lower limit to the mean discrimination error can be calculated in a deterministic manner and we verify that it lies below the average inference error in all our examples. ",
author = "Maryam Khanahmadi and Klaus M{\o}lmer",
note = "Publisher Copyright: {\textcopyright} 2023 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the {"}https://creativecommons.org/licenses/by/4.0/{"}Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by {"}https://www.kb.se/samverkan-och-utveckling/oppen-tillgang-och-bibsamkonsortiet/bibsamkonsortiet.html{"}Bibsam.",
year = "2023",
doi = "10.1103/PhysRevA.107.013705",
language = "English",
volume = "107",
journal = "Physical Review A - Atomic, Molecular, and Optical Physics",
issn = "1050-2947",
publisher = "American Physical Society",
number = "1",

}

RIS

TY - JOUR

T1 - Qubit readout and quantum sensing with pulses of quantum radiation

AU - Khanahmadi, Maryam

AU - Mølmer, Klaus

N1 - Publisher Copyright: © 2023 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the "https://creativecommons.org/licenses/by/4.0/"Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by "https://www.kb.se/samverkan-och-utveckling/oppen-tillgang-och-bibsamkonsortiet/bibsamkonsortiet.html"Bibsam.

PY - 2023

Y1 - 2023

N2 - Different hypotheses about a quantum system such as the logical state of a qubit or the value of physical interaction parameters can be investigated by the interaction with a probe field. Such fields may be prepared in particularly sensitive quantum states and we demonstrate here the use of quantum trajectories to model the stochastic measurement record and conditional evolution of the state of the quantum system subject to its interaction with a traveling pulse of radiation. Our analysis applies to different measurement strategies and to arbitrary input quantum states of the probe field pulse and it thus permits direct comparison of their metrological advantages. A theoretical lower limit to the mean discrimination error can be calculated in a deterministic manner and we verify that it lies below the average inference error in all our examples.

AB - Different hypotheses about a quantum system such as the logical state of a qubit or the value of physical interaction parameters can be investigated by the interaction with a probe field. Such fields may be prepared in particularly sensitive quantum states and we demonstrate here the use of quantum trajectories to model the stochastic measurement record and conditional evolution of the state of the quantum system subject to its interaction with a traveling pulse of radiation. Our analysis applies to different measurement strategies and to arbitrary input quantum states of the probe field pulse and it thus permits direct comparison of their metrological advantages. A theoretical lower limit to the mean discrimination error can be calculated in a deterministic manner and we verify that it lies below the average inference error in all our examples.

U2 - 10.1103/PhysRevA.107.013705

DO - 10.1103/PhysRevA.107.013705

M3 - Journal article

AN - SCOPUS:85146151116

VL - 107

JO - Physical Review A - Atomic, Molecular, and Optical Physics

JF - Physical Review A - Atomic, Molecular, and Optical Physics

SN - 1050-2947

IS - 1

M1 - 013705

ER -

ID: 372817241