Browsing Physics and Astronomy by Title
Now showing items 61-80 of 767
-
Cats, Rotating Waves and Photons: An Excursion into Light-Matter Interaction
(University of Waterloo, 2023-09-27)This thesis hopes to achieve two modest goals. The primary goal is to formulate a practical theory for generating cat states by employing a resonant or detuned strong drive on a qubit coupled to a resonator. An incidental ... -
Causal Discovery of Photonic Bell Experiments
(University of Waterloo, 2020-01-13)A causal understanding of a physical theory is vital. They provide profound insights into the implications of the theory and contain the information required to manipulate, not only predict, our surroundings. Unfortunately, ... -
Causal Models for a Quantum World
(University of Waterloo, 2016-05-18)Quantum mechanics has achieved unparalleled success as an operational theory, describing a wide range of experiments to remarkable accuracy. However, the physical foundations on which it rests remain as puzzling as they ... -
Chaos and dynamical instability in a closed kicked system
(University of Waterloo, 2023-08-08)Quantum-classical correspondence plays an important role in understanding the emergence of classical chaos from underlying quantum mechanics. However, the transition from quantum to classical is not straightforward. Here ... -
Characterisation and Optimization of Ultrashort Laser Pulses
(University of Waterloo, 2003)The ultrafast optical regime is defined, as it applies to laser pulses, along with a brief introduction to pulse generation and characterisation technologies. A more extensive description of our particular amplified ... -
Characterization and Control in Large Hilbert spaces.
(University of Waterloo, 2008-12-03)Computational devices built on and exploiting quantum phenomena have the potential to revolutionize our understanding of computational complexity by being able to solve certain problems faster than the best known classical ... -
Characterization of Detector and Electron Source for Inverse Photoemission Spectrometer
(University of Waterloo, 2023-02-17)The inverse photo-emission spectroscopy (IPES) is a powerful tool to probe the unoccupied energy states of materials, such the surface states of metals or the unoccupied states of high temperature superconductors. IPES ... -
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 ... -
Characterization of Three-Level Control in Capacitively-Shunted Flux Quantum Circuits Using Randomized Benchmarking
(University of Waterloo, 2021-05-12)Superconducting devices have emerged as leading candidates for building practical quantum computers, owing to their scalability, designability, and ease of control. Development of superconducting devices has been accompanied ... -
Characterization, Verification and Control for Large Quantum Systems
(University of Waterloo, 2015-03-31)Quantum information processing offers potential improvements to a wide range of computing endevaors, including cryptography, chemistry simulations and machine learning. The development of practical quantum information ... -
Characterizing Errors in Quantum Information Processors
(University of Waterloo, 2016-05-12)Error-free computation is an unattainable ideal, yet our world now contains many computers that appear error-free to their users. That such things are possible is explained by sophisticated theorems that demonstrate the ... -
Characterizing Single Photon Emission From Quantum Dots in Nanowires
(University of Waterloo, 2019-05-28)Bright sources of highly indistinguishable single photons are desirable for diverse applications in quantum technology, including quantum cryptographic protocols, information processing, and metrology. The most common ... -
Characterizing Transient Regime Multi-frequency Raman Generation by the Aid of Spectral Phase Interferometry for Direct Electric-field Reconstruction
(University of Waterloo, 2013-09-11)Multi-frequency Raman Generation (MRG) has been achieved in the transient regime excited by dual-wavelength chirped pump pulses. Spectral phase interferometry for direct electric-field reconstruction (SPIDER) technique is ... -
Charge Density Wave Order in Cuprate Superconductors Studied by Resonant Soft X-ray Scattering
(University of Waterloo, 2015-04-22)Cuprate high temperature superconductors have been the subject of intense investigation since their discovery in 1986. The nature of the pairing mechanism in these unconventional superconductors does not seem to be mediated ... -
Charged Black Hole Solutions in Alternative Theories of Gravity
(University of Waterloo, 2016-09-06)In my thesis, I examine charged black holes in two contexts. The first part covers the formation of something analogous to event horizons for a class of Lorentz-Violating theories which allow for signals to travel faster ... -
Chirped-pulse interferometry: Classical dispersion cancellation and analogues of two-photon quantum interference
(University of Waterloo, 2009-10-09)Interference has long been used for precision measurement of path-length changes. Since the advent of the laser, interference has become one of the most versatile tools in metrology. Specifically, ultra-short laser pulses ... -
Circuit Complexity of Mixed States
(University of Waterloo, 2021-07-20)Quantum information has produced fresh insights into foundational questions about the AdS/CFT correspondence. One fascinating concept, which has captured increasing attention, is quantum circuit complexity. As a natural ... -
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 ... -
A Classification of (2+1)D Topological Phases with Symmetries
(University of Waterloo, 2017-09-18)This thesis aims at concluding the classification results for topological phases with symmetry. First, we know that “trivial” (i.e., not topological) phases with symmetry can be classified by Landau symmetry breaking ... -
Classifications of Quantum Field Theories
(University of Waterloo, 2018-07-04)We discuss classifications of UV complete supersymmetric theories in six dimensions, and (spin-)topological field theories admitting a finite global symmetry and possibly time-reversal symmetry in three dimensions. We also ...