Fast Electron Thermometry for Ultrasensitive Calorimetric Detection

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Fast Electron Thermometry for Ultrasensitive Calorimetric Detection. / Gasparinetti, S.; Viisanen, Klaara; Saira, Olli-Pentti; Faivre, T.; Arzeo, M.; Meschke, M.; Pekola, J.P.

In: Physical Review Applied, Vol. 3, No. 1, 014007, 2015, p. 1-7.

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Gasparinetti, S. ; Viisanen, Klaara ; Saira, Olli-Pentti ; Faivre, T. ; Arzeo, M. ; Meschke, M. ; Pekola, J.P. / Fast Electron Thermometry for Ultrasensitive Calorimetric Detection. In: Physical Review Applied. 2015 ; Vol. 3, No. 1. pp. 1-7.

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@article{acb69b6fe59c498d8f6e2c4e9cc6ab12,
title = "Fast Electron Thermometry for Ultrasensitive Calorimetric Detection",
abstract = "We demonstrate radio-frequency thermometry on a micrometer-sized metallic island below 100 mK. Our device is based on a normal-metal–insulator–superconductor tunnel junction coupled to a resonator with transmission readout. In the first generation of the device, we achieve 90  μK/√Hz noise-equivalent temperature with 10 MHz bandwidth. We measure the thermal relaxation time of the electron gas in the island, which we find to be of the order of 100  μs. Such a calorimetric detector, upon optimization, can be seamlessly integrated into superconducting circuits, with immediate applications in quantum-thermodynamics experiments down to single quanta of energy.",
author = "S. Gasparinetti and Klaara Viisanen and Olli-Pentti Saira and T. Faivre and M. Arzeo and M. Meschke and J.P. Pekola",
note = "VK: Low Temperature Laboratory",
year = "2015",
doi = "10.1103/PhysRevApplied.3.014007",
language = "English",
volume = "3",
pages = "1--7",
journal = "Physical Review Applied",
issn = "2331-7019",
publisher = "American Physical Society",
number = "1",

}

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TY - JOUR

T1 - Fast Electron Thermometry for Ultrasensitive Calorimetric Detection

AU - Gasparinetti, S.

AU - Viisanen, Klaara

AU - Saira, Olli-Pentti

AU - Faivre, T.

AU - Arzeo, M.

AU - Meschke, M.

AU - Pekola, J.P.

N1 - VK: Low Temperature Laboratory

PY - 2015

Y1 - 2015

N2 - We demonstrate radio-frequency thermometry on a micrometer-sized metallic island below 100 mK. Our device is based on a normal-metal–insulator–superconductor tunnel junction coupled to a resonator with transmission readout. In the first generation of the device, we achieve 90  μK/√Hz noise-equivalent temperature with 10 MHz bandwidth. We measure the thermal relaxation time of the electron gas in the island, which we find to be of the order of 100  μs. Such a calorimetric detector, upon optimization, can be seamlessly integrated into superconducting circuits, with immediate applications in quantum-thermodynamics experiments down to single quanta of energy.

AB - We demonstrate radio-frequency thermometry on a micrometer-sized metallic island below 100 mK. Our device is based on a normal-metal–insulator–superconductor tunnel junction coupled to a resonator with transmission readout. In the first generation of the device, we achieve 90  μK/√Hz noise-equivalent temperature with 10 MHz bandwidth. We measure the thermal relaxation time of the electron gas in the island, which we find to be of the order of 100  μs. Such a calorimetric detector, upon optimization, can be seamlessly integrated into superconducting circuits, with immediate applications in quantum-thermodynamics experiments down to single quanta of energy.

UR - http://dx.doi.org/10.1103/PhysRevApplied.3.014007

U2 - 10.1103/PhysRevApplied.3.014007

DO - 10.1103/PhysRevApplied.3.014007

M3 - Article

VL - 3

SP - 1

EP - 7

JO - Physical Review Applied

JF - Physical Review Applied

SN - 2331-7019

IS - 1

M1 - 014007

ER -

ID: 2024213