A millimeter-wave on-chip superconducting filter bank spectrometer for atmospheric science

Orlando, A.; Thomas, Christopher N.; Goldie, D. J.; Hargrave, Peter Charles; Sudiwala, R.; Dongre, Prateek Kumar; Withington, S.

doi:10.1117/12.2564383

Cited by 1 publication

(1 citation statement)

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“…For this reason, in part, the majority of current implementations on-chip spectrometers implement a KID-based backend. However, there are laboratory demonstrations of similar designs constructed using TESs that have been carried out as part of the TIME instrument [66], as well as for applications in Earth observation [67,68] where operating at lower frequency (< 90 GHz) is beyond the reach of demonstrated materials used for KIDs. Several ongoing projects are working to extend KID designs to both higher and lower frequencies through the use of lower Tc superconducting detectors, higher Tc transmission lines, and free-space cavities as resonators.…”

Section: On-chip Spectroscopymentioning

confidence: 99%

Large-Format, Transmission-Line-Coupled Kinetic Inductance Detector Arrays for HEP at Millimeter Wavelengths

Barry¹,

Chang²,

Golwala³

et al. 2022

Preprint

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The kinetic inductance detector (KID) is a versatile and scalable detector technology with a wide range of applications. These superconducting detectors offer significant advantages: simple and robust fabrication, intrinsic multiplexing that will allow thousands of detectors to be read out with a single microwave line, and simple and low cost room temperature electronics. These strengths make KIDs especially attractive for HEP science via mm-wave cosmological studies. Examples of these potential cosmological observations include studying cosmic acceleration (Dark Energy) through measurements of the kinetic Sunyaev-Zeldovich effect, precision cosmology through ultra-deep measurements of small-scale CMB anisotropy, and mm-wave spectroscopy to map out the distribution of cosmological structure at the largest scales and highest redshifts. The principal technical challenge for these kinds of projects is the successful deployment of large-scale high-density focal planes-a need that can be addressed by KID technology. In this paper, we present an overview of microstrip-coupled KIDs for use in mm-wave observations and outline the research and development needed to advance this class of technology and enable these upcoming large-scale experiments.

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Section: On-chip Spectroscopymentioning

confidence: 99%