Suppressed-gap millimetre wave kinetic inductance detectors using DC-bias current
arXiv:2001.09089 · doi:10.1088/1361-6463/ab8d6d
Abstract
In this study, we evaluate the suitability of using DC-biased aluminium resonators as low-frequency kinetic inductance detectors operating in the frequency range of 50 - 120 GHz. Our analysis routine for supercurrent-biased resonators is based on the Usadel equations and gives outputs including density of states, complex conductivities, transmission line properties, and quasiparticle lifetimes. Results from our analysis confirm previous experimental observations on resonant frequency tuneability and retention of high quality factor. Crucially, our analysis suggests that DC-biased resonators demonstrate significantly suppressed superconducting density of states gap. Consequently these resonators have lower frequency detection threshold and are suitable materials for low-frequency kinetic inductance detectors.
References in corpus (32)
- Circuit Quantum Electrodynamics: Coherent Coupling of a Single Photon to a Cooper Pair Box
- Proximity effects in superconductor-ferromagnet heterostructures
- Single-shot qubit readout in circuit Quantum Electrodynamics
- Single-shot qubit readout in circuit Quantum Electrodynamics
- Microwave Dielectric Loss at Single Photon Energies and milliKelvin Temperatures
- Back-action Evading Measurements of Nanomechanical Motion
- Titanium Nitride Films for Ultrasensitive Microresonator Detectors
- Planck early results: first assessment of the High Frequency Instrument in-flight performance
- The physics and the structure of the quasar-driven outflow in Mrk 231
- ARCONS: A 2024 Pixel Optical through Near-IR Cryogenic Imaging Spectrophotometer
- Density of states in a superconductor carrying a supercurrent
- Strongly disordered TiN and NbTiN s-wave superconductors probed by microwave electrodynamics
- NIKA: A millimeter-wave kinetic inductance camera
- Quasiparticle relaxation in optically excited high-Q superconducting resonators
- Frequency-tunable Superconducting Resonators via Nonlinear Kinetic Inductance
- CALDER - Neutrinoless double-beta decay identification in TeO bolometers with kinetic inductance detectors
- Proximity-Coupled Ti/TiN Multilayers for use in Kinetic Inductance Detectors
- Bi-layer Kinetic Inductance Detectors for space observations between 80-120 GHz
- A generalized proximity effect model in superconducting bi- and tri-layer films
- A passive THz video camera based on lumped element kinetic inductance detectors
- Energy resolution and efficiency of phonon-mediated Kinetic Inductance Detectors for light detection
- Characterization and In-situ Monitoring of Sub-stoichiometric Adjustable Tc Titanium Nitride Growth
- Integrated Filterbank for DESHIMA: A Submillimeter Imaging Spectrograph Based on Superconducting Resonators
- Introduction of a DC Bias into a High-Q Superconducting Microwave Cavity
- Broadband architecture for galvanically accessible superconducting microwave resonators
- Calculation and measurement of critical temperature in thin superconducting multilayers
- Nonlinear Properties of Supercurrent-Carrying Single and Multi-Layer Thin-Film Superconductors
- Development of a broadband reflective T-filter for voltage biasing high-Q superconducting microwave cavities
- Exploring the performance of thin-film superconducting multilayers as Kinetic Inductance Detectors for low-frequency detection
- Critical Temperature tuning of Ti/TiN multilayer films suitable for low temperature detectors
- Electromagnetic models for multilayer superconducting transmission lines
- Uniform non-stoichiometric titanium nitride thin films for improved kinetic inductance detector array