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Superconducting On-chip Fourier Transform Spectrometer

Thakur, R. Basu and Klimovich, N. and Day, P. K. and Shirokoff, E. and Mauskopf, P. D. and Faramarzi, F. and Barry, P. S. (2019) Superconducting On-chip Fourier Transform Spectrometer. . (Unpublished)

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Kinetic inductance in thin film superconductors has been used as the basis for low-temperature, low-noise photon detectors. In particular thin films such as NbTiN, TiN, NbN, the kinetic inductance effect is strongly non-linear in the applied current, which 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 an on-chip spectrometer. The utility of such compact spectrometers are discussed, along with their natural connection with parametric amplifiers.

Item Type:Report or Paper (Discussion Paper)
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URLURL TypeDescription Paper
Mauskopf, P. D.0000-0001-6397-5516
Additional Information:We thank Caltech/JPL Professors J. Bock, S. Golwala, T.C. Chang and O. Dore for helpful discussions in the early stages of this project, and H. G. LeDuc and JPL staff for device fabrication.
Subject Keywords:Cosmology, CMB, kinetic inductance, parametric amplifier, interferometer
Record Number:CaltechAUTHORS:20200311-161335378
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:101873
Deposited By: Tony Diaz
Deposited On:11 Mar 2020 23:24
Last Modified:11 Mar 2020 23:24

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