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Basu Thakur, R.; Klimovich, N.; Day, P. K.; Shirokoff, E.; Mauskopf, P. D.; Faramarzi, F.; Barry, P. S.
Journal of low temperature physics, 09/2020, Letnik: 200, Številka: 5-6Journal Article
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.
