An on-chip superconducting kinetic inductance fourier transform spectrometer for millimeter-wave astronomy

Faramarzi, F. B., Mauskopf, P., Gordon, S., Che, G., Day, P., Mani, H., Surdi, H., Sypkens, S., Barry, Peter, Shirokoff, E. and Thakur, R. B. 2020. An on-chip superconducting kinetic inductance fourier transform spectrometer for millimeter-wave astronomy. Journal of Low Temperature Physics 199 (3-4) , pp. 867-874. 10.1007/s10909-019-02295-3

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Abstract

An on-chip FTS consists of two waveguides coupled to long superconducting transmission lines (STLs) (∼ 620 mm) using two coupling probes. The signal propagating on one of the STLs is phase-shifted with respect to the other line with a bias current that affects the nonlinear dependence of kinetic inductance, Lk(I) of the STL material. Here we describe the design and simulation of a superconducting on-chip FTS coupled to a dual polarization W-band (90–110 GHz) waveguide. These devices have applications in ground-based and space-based millimeter-wave spectral surveys.

Item Type:	Article
Date Type:	Published Online
Status:	Published
Schools:	Physics and Astronomy
Publisher:	Springer
ISSN:	0022-2291
Date of Acceptance:	2 December 2019
Last Modified:	01 Feb 2023 14:30
URI:	https://orca.cardiff.ac.uk/id/eprint/155700

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