Now showing items 1-8 of 8

    • Frequency Shifting a Single Photon by Electro-Optic Modulation 

      Kobierski, Michael (University of Waterloo, 2020-01-21)
      Entanglement is a rare resource only a select few people worldwide can create. Its fundamentally non-classical behavior seeds a tree of ideas from which transformative technologies in information processing, communication, ...
    • Learning Quantum States Without Entangled Measurements 

      Lowe, Angus (University of Waterloo, 2021-10-22)
      How many samples of a quantum state are required to learn a complete description of it? As we will see in this thesis, the fine-grained answer depends on the measurements available to the learner, but in general it is at ...
    • Measuring Quantum Correlations of Polarization, Spatial Mode, and Energy-Time Entangled Photon Pairs. 

      Cameron, Andrew (University of Waterloo, 2023-09-07)
      Optical quantum technologies have found applications in all facets of quantum information. Single photons are actively being researched for quantum computation, communication, and sensing, due to their robustness against ...
    • Next-Generation Solid-State Quantum Emitters 

      Sherlekar, Nachiket Sunil (University of Waterloo, 2019-01-31)
      This thesis details two types of deterministic solid-state quantum emitters, an optically-driven quantum dot source in a tapered nanowire waveguide, and an electrically-driven source implemented by integrating a single-electron ...
    • The Roles of Causal Propagator in Relativistic Quantum Information 

      Tjoa, Erickson (University of Waterloo, 2023-05-29)
      This thesis focuses on the roles of causal propagator — the expectation value of the field commutator — in relativistic quantum information. Consider two observers Alice and Bob, each carrying a two-level quantum system ...
    • Ultrafast Metrology in the Quantum Domain 

      MacLean, Jean-Philippe (University of Waterloo, 2019-02-15)
      Single photons are a natural platform for quantum technologies as they support entanglement in many degrees of freedom and are inherently well protected from a detrimental type of noise called decoherence. In order to ...
    • The Unruh-DeWitt Detector Model: Modified Dispersion and Nonlinear Couplings 

      Sachs, A. Morgan (University of Waterloo, 2021-09-30)
      In this work, we employ the Unruh-DeWitt (UDW) detector model to various ends. We present applications of this relativistic detector model to quantum optics, including decoherence in optical cavities and non-linear quantum ...
    • What can detectors detect? 

      Henderson, Laura (University of Waterloo, 2021-01-29)
      This thesis is focused on using a pair of Unruh-DeWitt detectors, which interact locally with a quantum field, to gain information about properties of the field and the underlying spacetime. First, we consider a massless ...


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