Al/Ti/Al phonon-mediated KIDs for UV-VIS light detection over large areas

Abstract

The development of wide-area cryogenic light detectors with baseline energy resolution lower than 20 eV RMS is essential for next generation bolometric experiments searching for rare interactions. Indeed the simultaneous readout of the light and heat signals will enable background suppression through particle identification. Because of their excellent intrinsic energy resolution, as well as their well-established reproducibility, Kinetic Inductance Detectors (KIDs) are good candidates for the development of next generation light detectors. The CALDER project is investigating the potential of phonon-mediated KIDs. The first phase of the project allowed to reach a baseline resolution of 80 eV using a single KID made of aluminium on a 2x2 cm\tmrsup{$2$} silicon substrate acting as photon absorber. In this paper we present a new prototype detector implementing a trilayer aluminium-titanium-aluminium KID. Taking advantage of the superconducting proximity effect the baseline resolution improves down to 26 eV.

arXiv commentsubmitted to SUST

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Cited by in corpus (20)

• Interplay between kinetic inductance, non-linearity and quasiparticle dynamics in granular aluminum MKIDs
• Phonon-trapping enhanced energy resolution in superconducting single photon detectors
• Applications for Microwave Kinetic Induction Detectors in Advanced Instrumentation
• Measurements and simulations of athermal phonon transmission from silicon absorbers to aluminium sensors
• Performance of a Large Area Photon Detector For Rare Event Search Applications
• BULLKID: Monolithic array of particle absorbers sensed by Kinetic Inductance Detectors
• Final results of CALDER: Kinetic inductance light detectors to search for rare events
• Phonon and light read out of a Li${}_2$MoO${}_4$ crystal with multiplexed kinetic inductance detectors
• Calculation and measurement of critical temperature in thin superconducting multilayers
• Performance of a Kinetic Inductance Phonon-Mediated Detector at the NEXUS Cryogenic Facility
• Electromagnetic models for multilayer superconducting transmission lines
• Low-energy spectrum of the BULLKID detector array operated on surface
• Estimating the Energy Threshold of Phonon-mediated Superconducting Qubit Detectors Operated in an Energy-Relaxation Sensing Scheme
• Germanium target sensed by phonon-mediated kinetic inductance detectors
• Contact-less phonon detection with massive cryogenic absorbers
• Enhanced Athermal Phonon Responsivity in a Kinetic Inductance Detector with Integrated Phonon Collectors
• Neutrinoless Double Beta Decay Overview
• Improvement of contact-less KID design using multilayered Al/Ti material for resonator
• Calibration of nuclear recoils at the 100 eV scale using neutron capture
• Electromagnetic Properties of Aluminum-based Bilayers for Kinetic Inductance Detectors