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Superconducting on-chip fourier transform spectrometer

Basu Thakur, R., Klimovich, N., Day, P. K., Shirokoff, E., Mauskopf, P. D. ORCID:, Faramarzi, F. and Barry, Peter 2020. Superconducting on-chip fourier transform spectrometer. Journal of Low Temperature Physics 200 (5-6) , pp. 342-252. 10.1007/s10909-020-02490-7

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The kinetic inductance effect is strongly nonlinear with applied current in NbTiN, TiN and NbN thin films. This can be utilized to realize novel devices. We present results from transmission lines made with these materials, where DC (current) control is used to modulate the phase velocity thereby enabling on-chip spectrometers. Utility of such compact spectrometers is discussed, along with their natural connection with parametric amplifiers.

Item Type: Article
Date Type: Published Online
Status: Published
Schools: Physics and Astronomy
Publisher: Springer
ISSN: 0022-2291
Date of Acceptance: 7 June 2020
Last Modified: 01 Feb 2023 16:30

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