Browsing Science (Faculty of) by Title
Now showing items 1036-1055 of 3045
-
Experimental determination of the extent of Fe(III) reduction and Fe isotope fractionation during microbial reduction of ferrihydrite in freshwater systems by sulfate-reducing bacteria
(University of Waterloo, 2017-12-15)Traditionally, sulfur was thought to have little influence on Fe cycling in freshwater systems because of the low sulfate concentrations (average ~ 0.2 mM) in such waters. However, a recent study suggested that a cryptic ... -
Experimental Investigation into Spatial Quantum Optical Properties for Satellite Targeting through the Turbulent Atmosphere
(University of Waterloo, 2013-09-04)A major field of research at the current time is that of implementing Quantum Key Distribution over large distances using satellites. If this protocol works with this technology, it will have huge implications on future ... -
An experimental investigation of the spin dynamics of dipolar spin ice
(University of Waterloo, 2012-04-27)The low temperature spin dynamics of the canonical dipolar spin ice materials is examined. The ac susceptibility of dipolar spin ice materials Ho2Ti2O7 and Dy2Ti2O7 is measured to lower temperatures and frequencies than ... -
Experimental prospects for detecting the quantum nature of spacetime
(University of Waterloo, 2017-09-21)This thesis is concerned with advancing the confrontation between relativistic quantum information (RQI) and experiment. We investigate the lessons that some present-day experiments can teach us about the relationship ... -
Experimental quantum communication in demanding regimes
(University of Waterloo, 2011-08-02)Quantum communication promises to outperform its classical counterparts and enable protocols previously impossible. Specifically, quantum key distribution (QKD) allows a cryptographic key to be shared between distant parties ... -
Experimental Quantum Information Processing with Photons
(University of Waterloo, 2013-08-30)This thesis describes experimental generation, manipulation and measurement of quantum information using photon pairs emitted in bulk crystals. Multi-photon sources engineered during the course of this thesis have proven ... -
Experimental search for long-range forces in neutron scattering via a gravitational spectrometer
(American Physical Society, 2014-04-09)In this work we introduce a method of measuring low-energy scattering cross section with a gravitational spectrometer. In this method we add atoms (i.e., He) to the gravitational spectrometer filled with a target gas of ... -
An experimental study of single hole spin qubit coherence in a GaAs/AlGaAs double quantum dot device
(University of Waterloo, 2024-01-15)This thesis discusses a series of experiments performed on a p-type laterally-gated GaAs/AlGaAs double quantum dot device. The main purpose of these experiments was to explore the potential of a theoretically-predicted ... -
Experimentally Testable Noncontextuality Inequalities Via Fourier-Motzkin Elimination
(University of Waterloo, 2015-09-29)Generalized noncontextuality as defined by Spekkens is an attempt to make precise the distinction between classical and quantum theories. It is a restriction on models used to reproduce the predictions of quantum mechanics. ... -
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 ... -
Explainable AI for retinal OCT diagnosis
(University of Waterloo, 2021-01-20)Artificial intelligence methods such as deep learning are leading to great progress in complex tasks that are usually associated with human intelligence and experience. Deep learning models have matched if not bettered ... -
Exploiting the Potential of Carbon Nanotubes and Fullerenes Through their Interaction with Specially Designed π-Conjugated Iptycenes
(University of Waterloo, 2020-01-23)Electronics have become integrated into every aspect of modern life, from work to leisure we rely on electronics for key tasks in our daily routine. Recent research efforts have seen a push towards flexible electronic ... -
Exploiting the Properties and Reactivity of Thiazoles in the Design of Conjugated Materials.
(University of Waterloo, 2021-01-13)Of fundamental importance to the advancement of next-generation technologies using organic electronic materials is the development of new synthetic methodologies and the investigation of novel material properties. Thiazoles ... -
Exploiting the tunable selectivity features of polymeric ionic liquid-based SPME sorbents in food analysis
(Elsevier, 2018-10-01)In this work, the performances of polymeric ionic liquid (PIL) based solid-phase microextraction (SPME) coatings were assessed for applications concerning food safety and quality. Two different polymeric ionic liquid ... -
Exploration and Optimization of Tellurium-Based Thermoelectrics: Property enhancements through heavy p-block inclusions and complex bonding.
(University of Waterloo, 2012-05-23)Thermoelectric materials are the only known materials capable of direct conversion of a heat gradient into electricity (Seebeck effect) or vice-versa (Peltier effect). Thermoelectric (TE) devices are comprised of solid-state ... -
An Exploration of Clustering Statistics and Tidal Alignments in the Context of Group Catalogues
(University of Waterloo, 2021-10-04)The use of three-dimensional galaxy surveys and large cosmological simulations of the galaxy distribution has advanced our understanding of large-scale structure over the last few decades. At the forefront of this are ... -
Exploration of Higher-Order Quantum Interference Landscapes
(University of Waterloo, 2017-08-31)Earth, Moon and Sun unite when they star together in the three-body problem, whose intricate plot still baffles us today. For some reason, the factorization of the two-body problem into two one-body problems does not, in ... -
An Exploration of Locality, Conservation Laws, and Spin
(University of Waterloo, 2017-01-23)Conservation rules are central to our understanding of the physical world, they place re- strictions on how particles can move and dictate what can occur during an interaction. However, it is often taken for granted how a ... -
Exploration of reconstructed PET hydrolase ancestors by biophysical and computational methods
(University of Waterloo, 2023-01-26)Ancestral sequence reconstruction (ASR), originally developed for the study of molecular evolution, has gained attention as a promising method for protein engineering in the recent decade. The ancestors revived by this ... -
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 ...