Magnetic field dependence of the coupling efficiency of a superconducting transmission line due to the proximity effect

S. Zhu; T. Zijlstra; A.A. Golubov; M. van den Bemt; A.M. Baryshev; T.M. Klapwijk

doi:10.1063/1.3276076

Magnetic field dependence of the coupling efficiency of a superconducting transmission line due to the proximity effect

S. Zhu, T. Zijlstra, A.A. Golubov, M. van den Bemt, A.M. Baryshev, T.M. Klapwijk

Faculty of Science and Technology

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

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Abstract

The coupling efficiency of a Nb superconducting transmission line has been measured using a Fourier transform spectrometer for different magnetic fields. It is found that the coupling decreases with increasing magnetic field when the frequency is close to the gap of the Nb superconductor. This is attributed to the changes of the surface impedance of the proximity-coupled superconductor/normal-metal bilayers in the transmission line.

Original language	English
Article number	253502
Journal	Applied physics letters
Volume	95
Issue number	25
DOIs	https://doi.org/10.1063/1.3276076
Publication status	Published - 2009

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10.1063/1.3276076

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title = "Magnetic field dependence of the coupling efficiency of a superconducting transmission line due to the proximity effect",

abstract = "The coupling efficiency of a Nb superconducting transmission line has been measured using a Fourier transform spectrometer for different magnetic fields. It is found that the coupling decreases with increasing magnetic field when the frequency is close to the gap of the Nb superconductor. This is attributed to the changes of the surface impedance of the proximity-coupled superconductor/normal-metal bilayers in the transmission line.",

author = "S. Zhu and T. Zijlstra and A.A. Golubov and {van den Bemt}, M. and A.M. Baryshev and T.M. Klapwijk",

year = "2009",

doi = "10.1063/1.3276076",

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journal = "Applied physics letters",

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T1 - Magnetic field dependence of the coupling efficiency of a superconducting transmission line due to the proximity effect

AU - Zhu, S.

AU - Zijlstra, T.

AU - Golubov, A.A.

AU - van den Bemt, M.

AU - Baryshev, A.M.

AU - Klapwijk, T.M.

PY - 2009

Y1 - 2009

N2 - The coupling efficiency of a Nb superconducting transmission line has been measured using a Fourier transform spectrometer for different magnetic fields. It is found that the coupling decreases with increasing magnetic field when the frequency is close to the gap of the Nb superconductor. This is attributed to the changes of the surface impedance of the proximity-coupled superconductor/normal-metal bilayers in the transmission line.

AB - The coupling efficiency of a Nb superconducting transmission line has been measured using a Fourier transform spectrometer for different magnetic fields. It is found that the coupling decreases with increasing magnetic field when the frequency is close to the gap of the Nb superconductor. This is attributed to the changes of the surface impedance of the proximity-coupled superconductor/normal-metal bilayers in the transmission line.

U2 - 10.1063/1.3276076

DO - 10.1063/1.3276076

M3 - Article

SN - 0003-6951

VL - 95

JO - Applied physics letters

JF - Applied physics letters

IS - 25

M1 - 253502

ER -

Magnetic field dependence of the coupling efficiency of a superconducting transmission line due to the proximity effect

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