Browsing Science (Faculty of) by Subject "quantum computing"
Now showing items 1-20 of 30
-
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
Measuring Trapped Ion Qudits
(University of Waterloo, 2019-09-26)Quantum information has typically focused on using 2-level qubits to perform simulation and computation. We propose to expand the number of levels for computation using qudits, where \(d>2\). Doing so could be a viable ... -
Modeling and managing noise in quantum error correction
(University of Waterloo, 2023-10-19)Simulating a quantum system to full accuracy is very costly and often impossible as we do not know the exact dynamics of a given system. In particular, the dynamics of measurement noise are not well understood. For this ... -
Modeling Classical Dynamics and Quantum Effects in Superconducting Circuit Systems
(University of Waterloo, 2015-08-20)In recent years, superconducting circuits have come to the forefront of certain areas of physics. They have shown to be particularly useful in research related to quantum computing and information, as well as fundamental ... -
On Free Space Quantum Key Distribution and its Implementation with a Polarization-Entangled Parametric Down Conversion Source
(University of Waterloo, 2007-05-16)This thesis describes the deployment of a free-space quantum key distribution system across the University of Waterloo campus. The quantum key distribution system has the ability to provide unconditionally secure ... -
Quantum Algorithmic Techniques for Fault-Tolerant Quantum Computers
(University of Waterloo, 2019-10-01)Quantum computers have the potential to push the limits of computation in areas such as quantum chemistry, cryptography, optimization, and machine learning. Even though many quantum algorithms show asymptotic improvement ... -
Quantum dot devices in silicon and dopant-free GaAs/AlGaAs heterostructures
(University of Waterloo, 2021-01-29)Single spin quantum dot qubits in silicon are a promising candidate for a scalable quantum processor due to their long coherence times, compact size, and ease of integration into existing fabrication technologies. Realizing ... -
Realisation of Quantum Operations using Linear Optics
(University of Waterloo, 2011-10-04)The main topic of this thesis is linear optics and the implementation of quantum operations (measurements, quantum channels, and unitary rotations) on optical systems. In the opening chapter the basic notions needed to ... -
Some Results on Qudit Quantum Error-Correction
(University of Waterloo, 2020-01-30)Quantum computing’s seemingly perpetual promise of nearness still has a few hurdles to surmount before it can become a reality. Among these hurdles is that of protection of information from random errors. A potential ...