Browsing Theses by Subject "quantum computing"
Now showing items 1-20 of 50
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Advances in Superconducting Circuit Quantum Electrodynamics
(University of Waterloo, 2022-01-31)The topics of this thesis are based on circuit quantum electrodynamics (cQED), a theoretical and experimental platform allowing the study of light--matter interaction. This platform is rich both in observable physical ... -
Almost synchronous correlations defined within tracial von Neumann algebras
(University of Waterloo, 2022-08-24)This thesis concerns a class of non-local games known as synchronous games. In recent work, it was discovered independently by [Vid22] and [PP22] that, for any synchronous games, any near-optimal finite dimensional ... -
Analog Quantum Simulation via Parametric Interactions in Superconducting Circuits
(University of Waterloo, 2023-09-19)While universal quantum computers are still years away from being used for simulating complicated quantum systems, analog quantum simulators have become an increasingly attractive approach to studying classically intractable ... -
Applications of the Quantum Kernel Method on a Superconducting Quantum Processor
(University of Waterloo, 2020-05-29)The widespread benefits of classical machine learning along with promised speedups by quantum algorithms over their best performing classical counterparts have motivated development of quantum machine learning algorithms ... -
Characterization of gate oxides and microwave resonators for silicon spin qubit devices
(University of Waterloo, 2022-01-21)Silicon quantum dots present themselves as a promising implementation for quantum information processing due to the fact that they possess a small chip foot-print, yield high coherence times and are able to leverage the ... -
Circuit Quantum Electrodynamics with Flux Qubits
(University of Waterloo, 2019-09-23)This thesis presents circuit quantum electrodynamic (cQED) experiments done with artificial atoms coupled to a high quality factor superconducting microwave resonator. This work discusses the theoretical framework, design, ... -
Classical simulations of quantum systems using stabilizer decompositions
(University of Waterloo, 2021-02-19)One of the state of the art techniques for classically simulating quantum circuits relies on approximating the output state of the circuit by a superposition of stabilizer states. If the number of non-Clifford gates in ... -
Clifford Simulation: Techniques and Applications
(University of Waterloo, 2021-05-28)Despite the widespread belief that quantum computers cannot be efficiently simulated classically, efficient simulation is known to be possible in certain restricted regimes. In particular, the Gottesman-Knill theorem states ... -
Computational Problems Related to Open Quantum Systems
(University of Waterloo, 2018-08-22)A quantum system that has interaction with external resources, such as probability distribution, dissipation, and noise, is referred to as an open quantum system. Not only do open quantum systems play a vital role in the ... -
Design and Implementation of the Real-Time Control System for an Open Trapped Ion Quantum Computing Platform
(University of Waterloo, 2023-09-08)Trapped atomic ions are a promising platform for the implementation of quantum bits and quantum information processors due to advantageous inherent physical properties as well as exquisite experimental control. Trapped ion ... -
Design of a Real-Time Embedded Control System for Quantum Computing Experiments
(University of Waterloo, 2020-01-27)This thesis describes the design of a real-time control system for trapped ion quantum computer experiments. It is framed in the context of the QuantumIon project, a project at the University of Waterloo’s ... -
Developing a Large-Scale, Programmable Trapped Ion Quantum Simulator with In Situ Mid-Circuit Measurement and Reset
(University of Waterloo, 2023-09-25)Quantum simulators are a valuable resource for studying complex many-body systems. With their ability to provide near-term advantages, analog quantum simulators show great promise. In this thesis, my aim is to describe the ... -
Experiments with Generalized Quantum Measurements and Entangled Photon Pairs
(University of Waterloo, 2009-11-02)This thesis describes a linear-optical device for performing generalized quantum measurements on quantum bits (qubits) encoded in photon polarization, the implementation of said device, and its use in two diff erent but ... -
An Exploration of Secure Circular Multi-Party Quantum Computation
(University of Waterloo, 2022-09-26)Multi party quantum computation (MPQC) is any quantum cryptographic protocol where multiple untrusted users collaborate to perform calculations on their combined data without revealing their private information. MPQC is ... -
Explorations in machine learning for interacting many-body systems.
(University of Waterloo, 2020-09-03)Most interacting many-body systems in physics are not analytically solvable. Instead, numerical methods are needed for the study of these complex and high-dimensional problems. At present, there are many interesting problems ... -
Flag Fault-Tolerant Error Correction with Qudits
(University of Waterloo, 2022-01-20)In this thesis, I explore fault-tolerant quantum error correction using qudits. I show that a specific flag-fault-tolerant procedure for the five-qubit code may be extended to work on the five qudit code for any prime ... -
A Generalized Adversary Method for Quantum Query Complexity
(University of Waterloo, 2022-05-20)Quantum query complexity measures the minimum number of queries a quantum algorithm needs to make to some input string to compute a function of that input. Query complexity models are widely used throughout quantum computing, ... -
Graph-Theoretic Techniques for Optimizing NISQ Algorithms
(University of Waterloo, 2024-02-15)Entering the NISQ era, the search for useful yet simple quantum algorithms is perhaps of more importance now than it may ever be in the future. In place of quantum walks, the quantum Fourier transform, and asymptotic results ... -
Improved Diagnostics & Performance for Quantum Error Correction
(University of Waterloo, 2023-08-04)Building large scale quantum computers is one of the most exciting ventures being pursued by researchers in the 21st century. However, the presence of noise in quantum systems poses a major hindrance towards this ambitious ... -
Measuring Non-Markovianity of Noise in the Cenrtal Spin System
(University of Waterloo, 2019-05-24)In this thesis, we explore non-Markovian noise in the central spin system due to the coupling between the central spin and the environment. We use a solid state nuclear magnetic resonance system to do the experiment since ...