Superconducting NbN Coplanar Switch Driven by DC Current for CMB Instruments

Bordier, G.; Cammilleri, V. D.; Bélier, B.; Bleurvacq, N.; Ghribi, A.; Piat, M.; Tartari, A.; Zannoni, M.

doi:10.1007/s10909-014-1103-y

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“…This design is very compact with chip dimension of about one inch by quarter of an inch and has spectral resolution better than 1000. Our superconducting FTS works based on the principle of modulating the phase of the incident radiation by controlling the kinetic inductance of its transmission lines [19]. In Sect.…”

Section: Introductionmentioning

confidence: 99%

An On-Chip Superconducting Kinetic Inductance Fourier Transform Spectrometer for Millimeter-Wave Astronomy

et al. 2020

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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, L k (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.

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Section: Introductionmentioning

confidence: 99%