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 13 of 13 for “"Circuit quantum electrodynamics"”.
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Multimode Circuit Quantum Electrodynamics With Superconducting Metamaterial Resonators
<p>Superconducting devices in circuit quantum electrodynamics (cQED) systems are one of the leading approaches for realizing scalable quantum information processors. The combination of cQED architectures with multimode resonator systems can provide a flexible platform for performing analog quantum …
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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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Higher levels of the transmon qubit
… design, the transmon Hamiltonian, and general Circuit Quantum Electrodynamics concepts and methodology. The second part discusses the experimental setup and methods employed in measuring the higher levels of these systems, and the details of the simulation used to explain and predict the …
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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 Generation and Detection of Squeezed Microwave Photons Realized using Traveling-Wave Parametric Amplifiers
… essential metrological technique used to reduce quantum noise in applications spanning gravitational wave detection, biological microscopy, and quantum information science. In circuit quantum electrodynamics, Josephson parametric amplifiers play a crucial role in quantum-limited amplification and …
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Flux-tunable superconducting transmons for quantum information processing
… using flux-tunable transmon qubits for quantum information processing. These qubits are designed with different levels of Josephson junction asymmetry. The first two chapters of this thesis will introduce the reader to superconducting qubits and circuit quantum electrodynamics. I will …
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Fabrication of Superconducting Reflectionless Filters for Quantum Microwave Circuits
… performance and scalability of superconducting quantum circuits depends critically on the microwave environment. Minimizing signal reflections and suppressing thermal noise are essential for achieving high-fidelity readout and preserving qubit coherence. A significant challenge arises from the …
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Simulation algorithms, Floquet phenomena and superconducting qubits
… topics that span the abstraction stack of quantum computing: from physical properties of superconducting qubits to computational properties of algorithms for quantum simulation. In the introduction, we begin by reviewing the circuit model of quantum computing. We then introduce circuit …
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Hybrid Magnonics in Antiferromagnets and Cavity Spintronic Devices
… processing tasks in both classical and quantum domains. Magnons, the collective spin wave excitations in magnetically ordered materials, have recently attracted great attention for realizing hybrid dynamic systems. In this thesis, we develop hybrid magnonic systems with reduced …
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Exploring Anisotropic Noise and Fast Gates with Superconducting Qubits
Rapid recent progress in the engineering of quantum systems across multiple platforms has enabled quantum science at never-before-seen precision and scale, and may yield useful quantum technology. However, two major challenges slow such progress: (1) decoherence from interactions between target …
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Optimizing coherence and anharmonicity of superconducting qubit
Quantum computers utilize qubits to store and process quantum information. In superconducting quantum computers, qubits are implemented as quantum superconducting resonant circuits. The circuits are operated only at the two energy states, which form the computational basis for the qubit. To …
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Electrical behaviour of quantum systems at high frequencies - Bridging the gap between transistor and qubit
Devices harnessing quantum phenomena have made tremendous progress in the last decade, irreversibly changing the scientific and technological landscape. Quantum technologies have unlocked unprecedented performance and capabilities, while quantum computing has demonstrated computational advantage, …