Two-Level System as a Quantum Sensor for Absolute Calibration of Power. / Hönigl-Decrinis, Teresa; Shaikhaidarov, Rais; de Graaf, S.E.; Antonov, Vladimir; Astafiev, Oleg.

In: Physical Review Applied, Vol. 13, No. 2, 024066, 25.02.2020, p. 1-9.

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Two-Level System as a Quantum Sensor for Absolute Calibration of Power. / Hönigl-Decrinis, Teresa; Shaikhaidarov, Rais; de Graaf, S.E.; Antonov, Vladimir; Astafiev, Oleg.

In: Physical Review Applied, Vol. 13, No. 2, 024066, 25.02.2020, p. 1-9.

Research output: Contribution to journalArticlepeer-review

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@article{70b96469e3a942ce8dfd7678615659e1,
title = "Two-Level System as a Quantum Sensor for Absolute Calibration of Power",
abstract = "A two-level quantum system can absorb or emit not more than one photon at a time. Using this fundamental property, we demonstrate how a superconducting quantum system strongly coupled to a transmission line can be used as a sensor of the photon flux. We propose four methods of sensing the photon flux and analyse them for the absolute calibration of power by measuring spectra of scattered radiation from the two-level system. This type of sensor can be tuned to operate in a wide frequency range, and does not disturb the propagating waves when not in use. Using a two-level system as a power sensor enables a range of applications in quantum technologies, here in particular applied to calibrate the attenuation of transmission lines inside dilution refrigerators.",
keywords = "superconducting qubit, quantum sensing, superconducting quantum optics, microwaves",
author = "Teresa H{\"o}nigl-Decrinis and Rais Shaikhaidarov and {de Graaf}, S.E. and Vladimir Antonov and Oleg Astafiev",
year = "2020",
month = feb,
day = "25",
doi = "10.1103/PhysRevApplied.13.024066",
language = "English",
volume = "13",
pages = "1--9",
journal = "Physical Review Applied",
issn = "2331-7019",
publisher = "AMER PHYSICAL SOC",
number = "2",

}

RIS

TY - JOUR

T1 - Two-Level System as a Quantum Sensor for Absolute Calibration of Power

AU - Hönigl-Decrinis, Teresa

AU - Shaikhaidarov, Rais

AU - de Graaf, S.E.

AU - Antonov, Vladimir

AU - Astafiev, Oleg

PY - 2020/2/25

Y1 - 2020/2/25

N2 - A two-level quantum system can absorb or emit not more than one photon at a time. Using this fundamental property, we demonstrate how a superconducting quantum system strongly coupled to a transmission line can be used as a sensor of the photon flux. We propose four methods of sensing the photon flux and analyse them for the absolute calibration of power by measuring spectra of scattered radiation from the two-level system. This type of sensor can be tuned to operate in a wide frequency range, and does not disturb the propagating waves when not in use. Using a two-level system as a power sensor enables a range of applications in quantum technologies, here in particular applied to calibrate the attenuation of transmission lines inside dilution refrigerators.

AB - A two-level quantum system can absorb or emit not more than one photon at a time. Using this fundamental property, we demonstrate how a superconducting quantum system strongly coupled to a transmission line can be used as a sensor of the photon flux. We propose four methods of sensing the photon flux and analyse them for the absolute calibration of power by measuring spectra of scattered radiation from the two-level system. This type of sensor can be tuned to operate in a wide frequency range, and does not disturb the propagating waves when not in use. Using a two-level system as a power sensor enables a range of applications in quantum technologies, here in particular applied to calibrate the attenuation of transmission lines inside dilution refrigerators.

KW - superconducting qubit

KW - quantum sensing

KW - superconducting quantum optics

KW - microwaves

U2 - 10.1103/PhysRevApplied.13.024066

DO - 10.1103/PhysRevApplied.13.024066

M3 - Article

VL - 13

SP - 1

EP - 9

JO - Physical Review Applied

JF - Physical Review Applied

SN - 2331-7019

IS - 2

M1 - 024066

ER -