Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 18 of 18 for “"Microwave Resonators"”.
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Vortices and Quasiparticles in Superconducting Microwave Resonators
<p>Superconducting resonators with high quality factors are of great interest in many areas. However, the quality factor of the resonator can be weakened by many dissipation channels including trapped magnetic flux vortices and nonequilibrium quasiparticles which can significantly impact the …
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Role of point defects in Perovskite microwave resonators
Perovskite ceramics are used in a plethora of applications, including electroceramics, superconductors, semiconductors, refractories, catalysts, magnetoresistors, proton conductors, and substrates for semiconductor heteroepitaxy. Engineering defective structures in an attempt to modify properties …
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Superconducting Microwave Resonators for Low Loss Sensor Applications
… measurements of superconducting mi- crowave resonators. These devices have many scientifically important applications, including as photon detectors, filter-banks, parametric amplifiers and increasingly as part of quantum circuits for qubit readout. The next generation of astronomy will …
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Non-invasive alcohol and glucose detection using microwave resonators
… We propose a new method of detection, using microwaves, which would detect the alcohol-blood ratio from the finger/wrist of the driver. We also study the possibility of blood sugar detection for diabetes using microwave resonators. The system is based on microwave resonators using very low …
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Nonequilibrium behaviour and quasiparticle heating in thin film superconducting microwave resonators
… numerical models of supercon- ducting thin-film microwave resonators. Superconducting resonators are used in a variety of applications, one of which is as kinetic inductance detectors (KIDs). KIDs are ultra-low noise, highly sensitive, multiplexable detectors, with uses in a wide variety of …
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Development of superconducting microwave resonators for terahertz intensity mapping from balloon and space
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-09-01 without embargo terms
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Cryogenic surface electrode ion traps with integrated superconducting microwave resonators for polar molecular ion spectroscopy
… polar molecular ions' rotational states to the microwave radiation. The new approach presented here is based on co-trapping Sr+ atomic ions together with SrCl+ molecular ions in a cryogenic surface electrode RF ion trap and on using the coupling of the molecular ion's rotational states to an …
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Electrical Manipulation of Spin Dynamics in Ferromagnetic Multi-layers
… ferromagnetic structures and superconducting microwave resonators. The investigation of the first mechanism involves mapping the magnetic properties of two ferromagnetic materials (FeAlSi and YIG), studying the various torques present in the ferromagnets and examining the temperature …
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Developing a microfluidic-microwave platform for real-time, non-invasive and sensitive monitoring of pathogens and antibiotic susceptibility testing
… methods, such as optical, electrochemical or microwave sensing. One application in which capillary fluidics can vastly improve the quality of service is infection diagnosis and antibiotic susceptibility testing. Due to issues with infection diagnosis and outdated antibiotic susceptibility …
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Kinetic Inductance Characterization of Thin 2H-NbSe₂ Superconductor Using Circuit Quantum Electrodynamics
Wedeveloped hybrid superconducting microwave resonators incorporating van der Waals (vdW) superconductors to explore the microwave response of superconducting 2D materials in the GHz regime. We first established a reliable technique to contact thin NbSe₂, entirely encapsulated with hexagonal Boron …
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Electromagnetically active artificial material comprising multidimensional microplasma photonic crystals
… be potentially applied for sensors, filters, and microwave resonators.
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Resistance in Superconducting Epitaxial Niobium Nanowires
… integrating our epitaxial niobium nanowires into microwave resonators to probe for phase fluctuations at high frequency, and into Dayem bridge DC SQUIDS designed to have sensitivity down to a single spin.
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Microstrip Superconducting Quantum Interference Devices for Quantum Information Science
<p>Quantum-limited amplification in the microwave frequency range is of both practical and fundamental importance. The weak signals corresponding to single microwave photons require substantial amplification to resolve. When probing quantum excitations of the electromagnetic field, the substantial …
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The physics of superconducting ring resonators
Superconducting microwave resonators with very high quality factor have been widely used in a large number of low-temperature experiments and applications over the past two decades. Numerous research on linear distributed, either half-wavelength or quarter-wavelength, and lumped element …
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Hybrid Magnonics in Antiferromagnets and Cavity Spintronic Devices
… materials. Secondly, by utilizing planar microwave resonators, we realize on-chip, lithographically scalable, and Circuit Quantum Electrodynamics compatible magnon-photon hybrid systems. Strong magnon-photon coupling with three orders of magnitude reduction in spin number is demonstrated …
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Towards scalable solid-state spin qubits and quantum simulation of thermal states
… another via mutual coupling to superconducting microwave resonators. We start with two qubits, developing and refining an effective model of resonator-mediated entangling interactions, and then use that model to ultimately design fast, long-distance, high-fidelity entangling gates which are …
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Dissipative processes in superconducting nanodevices: nanowire-resonators, shunted nanowires, and graphene proximity junctions
… of nanowires as qubits. Superconducting coplanar microwave waveguide resonators have also become a popular way of studying superconducting junctions and qubits, as they provide an extremely low noise environment. For example, superconducting two-dimensional Fabry-Perot resonators have been used by …
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Fractal Dimensions in Classical and Quantum Mechanical Open Chaotic Systems
… setups such as optical microcavities or microwave resonators. In this thesis we perform an improved investigation of the fractality in these systems using the concept of effective dimensions. They are defined as the dimensions far from the usually considered asymptotics of infinite …