Browsing Physics and Astronomy by Title
Now showing items 135-154 of 769
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Design of an Inverse Photoemission Spectrometer for the Study of Strongly Correlated Materials
(University of Waterloo, 2013-01-23)The design and construction of a state-of-the-art ultra-high vacuum spectrometer for the performance of angle-resolved inverse photoemission spectroscopy is presented. Detailed descriptions of its most important components ... -
Detecting the Surface Spin Polarization State of Topological Materials by Using Resonant X-ray Reflectometry
(University of Waterloo, 2019-10-21)The topological insulator as a promising and low cost next generation spintronic device attracts lots of attentions recently. The spin-momentum locking is a characteristic feature of topological materials at the surface ... -
Detection Efficiency Mismatch and Finite-Key-Size Attacks on Practical Quantum Cryptography Systems
(University of Waterloo, 2016-01-14)Security verification for the physical implementation of a cryptography system is an important step to ensure the security level promised by theory. As has been shown many times, any physical device has characteristics and ... -
Detectors, Reference Frames, and Time
(University of Waterloo, 2017-11-08)This thesis is divided into three parts. Part I investigates the behaviour of Unruh-DeWitt detectors on curved spacetimes admitting a Wightman function and the associated measurement model is identified. These detectors ... -
Developing a Generalized Model for Neutron Diffraction with Quantum Information Theory
(University of Waterloo, 2022-08-31)Due to their high mass and neutral electric charge, neutrons are often used at low energies to probe small-scale structures or measure fundamental constants of nature. To design neutron optical elements for use in these ... -
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 ... -
Developing theoretical and experimental tools for a hybrid quantum simulator based on trapped ions
(University of Waterloo, 2018-09-05)Quantum simulation is the process of using a highly controllable quantum system to simulate another less controllable system. Quantum simulation can provide insights into the properties and dynamics of complex many-body ... -
Development and Characterization of a Regeneratively Amplified Ultrafast Laser System with an All-Glass Stretcher and Compressor
(University of Waterloo, 2006)High-peak power laser systems are defined along with a brief introduction of the technology used in their development and application to the project. A review of concepts surrounding optical pulses, focusing on the ... -
The Development of an Average, Anatomically Based, Young Adult, GRIN Eye Model
(University of Waterloo, 2005)The purpose of this thesis is to describe the development of an anatomically based, young adult eye model, which includes a crystalline lens with a gradient refractive index (GRIN). This model will then be used to ... -
Development of III-V Semiconductor Surface Quantum Wells for Hybrid Superconducting Device Applications
(University of Waterloo, 2024-02-20)This thesis concerns the materials development of both InSb/InAlSb and InAs/AlGaSb surface quantum wells: Two of the most promising platforms for the study of proximity-induced superconductivity in semiconductors with ... -
Devices for satellite-assisted quantum networks
(University of Waterloo, 2021-09-24)Quantum networks, quantum nodes interconnected by quantum channels, offer powerful means of secure communications and quantum computations. They are crucial elements in a broad area of quantum technologies including quantum ... -
Dielectric Measurement and Analysis of Ultrastable PMMA Glass
(University of Waterloo, 2022-02-09)A stable glass, distinguished from an ordinary glass, has phenomenal characteristics such as a high density and a high kinetic stability. In this project, stable glasses of poly(methyl methacrylate) (PMMA) are produced ... -
Direct generation of three-photon entanglement using cascaded downconversion
(University of Waterloo, 2013-12-06)High quality entangled photon sources are a key requirement for many promising quantum optical technologies. However, the production of multi-photon entangled states with good fidelity is challenging. Current sources of ... -
Direct Observations of Scavenging Reactions of the Prehydrated Electron and OH Radicals by Femtosecond Time-Resolved Laser Spectroscopy
(University of Waterloo, 2011-09-02)Radiotherapy is the major curative therapy for carcinogesis. Identifying the effective species that induce DNA damage under ionizing radiation holds the key to improve and advance radiotherapy. In a cellular environment, ... -
Discrete-Time Quantum Walk - Dynamics and Applications
(University of Waterloo, 2010-01-25)This dissertation presents investigations on dynamics of discrete-time quantum walk and some of its applications. Quantum walks has been exploited as an useful tool for quantum algorithms in quantum computing. Beyond quantum ... -
Disorder, Geometric Frustration and the Dipolar Interaction in Rare-Earth Magnets
(University of Waterloo, 2010-08-30)This thesis will present research that studies the role of disorder, geometric frustration and the long range dipolar interaction on the collective behaviour of several insulating, rare earth magnets. Experiments were ... -
Dispersion-cancelled imaging with chirped laser pulses
(University of Waterloo, 2013-06-20)This thesis deals with chirped-pulse interferometry, an interferometric imaging technique with a resolution which is unaffected by the normally detrimental effects of sample dispersion. The thesis begins with some important ... -
Double-pulse Model for the Study of Red-shifted Spectrum in Multi-frequency Raman Generation
(University of Waterloo, 2023-09-25)Multi-frequency Raman Generation (MRG) is a promising technique for generating few-femtosecond to sub-femtosecond pulses with high energy conversion efficiency. During transient MRG experiments coupled with two chirped ... -
Dust Near Galactic HII Regions
(University of Waterloo, 2012-11-15)The distributions of physical properties, such as the temperature, mass, or density of the dust grains in molecular clouds near Galactic massive star forming regions are relatively poorly understood. These properties are ... -
Dynamical Properties of Dark Matter Halo Mergers
(University of Waterloo, 2015-09-29)This thesis examines the nature of mixing and heating during the merging of single, isolated dark matter halos, as well as a short discussion of the statistical nature of repeated mergers in a cosmological setting. A small ...