Browsing Physics and Astronomy by Title
Now showing items 68-87 of 767
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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 ... -
Closed-loop control system and hardware-aware compilation protocols for quantum simulation with neutral atoms in optical trap arrays
(University of Waterloo, 2023-09-25)Quantum materials offer tremendous potential for advancing electronic devices beyond traditional semiconductor-based technologies. Understanding the dynamics of these materials requires the use of quantum simulators. Quantum ... -
Coherent control of nuclear and electron spins for quantum information processing
(University of Waterloo, 2015-08-10)The ability to perform quantum error correction (QEC) arbitrarily many cycles is a significant challenge for scalable quantum information processing (QIP). Key requirements for multiple-round QEC are a high degree of quantum ... -
Coherent interactions and thermometry in a trapped ion quantum simulator
(University of Waterloo, 2022-10-27)Quantum simulators are useful tools to study exotic systems which may be otherwise intractable for a traditional computer. In particular, the trapped-ion platform has been a leading candidate for use in quantum simulation ... -
Collective Dynamics in NMR and Quantum Noise
(University of Waterloo, 2016-10-17)We introduced an open quantum system model to describe the statistical fluctuations of a spin ensemble in NMR. The model considers an ensemble measurement where the detection coil does not distinguish spins, and accounts ... -
Collective Spin-Cavity Ensembles and the Protection of Higher-dimensional Quantum Information
(University of Waterloo, 2022-09-28)The development of devices leveraging their quantum nature to outperform classical analogues has been an ongoing effort for many decades now. In this thesis we investigate two facets related to this effort, albeit at ... -
Communication: Molecular-level insights into asymmetric triblock copolymers: Network and phase development
(AIP publishing, 2014-10-01)Molecularly asymmetric triblock copolymers progressively grown from a parent diblock copolymer can be used to elucidate the phase and property transformation from diblock to network-forming triblock copolymer. In this ... -
Compact Two-color Ultrafast Yb:fiber Chirped Pulse Amplifiers and Mid-infrared Generation Based on Difference Frequency Generation
(University of Waterloo, 2018-10-18)A powerful mid-infrared frequency comb in the 2-20 μm range plays a very important role in the development of optical frequency metrology, spectroscopy and other fields of technology. However, there is a big gap in the ...