Now showing items 1-15 of 15

    • Design and Characterization of a Transceiver Telescope for Quantum Communications with Satellites 

      Mohammadi, Kimia (University of Waterloo, 2021-09-30)
      Since the feasibility of free-space Quantum Key Distribution (QKD) was realized, a new race has begun amongst researchers to achieve the highest secure key rate and the most efficient protocols to form quantum communication ...
    • Devices for satellite-assisted quantum networks 

      Lee, Youn Seok (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 ...
    • Estimating and Mitigating Effects of Space Radiation Damage in Single-Photon Avalanche Diodes 

      Krynski, Joanna (University of Waterloo, 2022-02-01)
      Satellite-based quantum key distribution necessitates practical and robust detectors capable of withstanding the harsh environment of space. Single-photon avalanche diodes (SPADs) have been shown to fulfill the required ...
    • Exploration of Higher-Order Quantum Interference Landscapes 

      Agne, Sascha (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 ...
    • Feasibility of Testing the Event Formalism with Refractive Materials 

      Li, Xiaoran (University of Waterloo, 2022-05-20)
      In this thesis, we evaluate the feasibility of verifying the effect of gravity on the quantum entanglement by simulating gravity’s effects with other physical systems. Specifically, we work in the framework of the Event ...
    • Free Space Quantum Key Distribution to Moving Platforms 

      Pugh, Christopher (University of Waterloo, 2017-08-24)
      The quantum space age has officially begun and many important milestones and achievements have recently been demonstrated, such as the exciting launch and results of the first quantum demonstration satellite, Micius. ...
    • Heralding Photonic Qubits for Quantum Communication 

      Meyer-Scott, Evan (University of Waterloo, 2016-01-22)
      Quantum communication attempts to harness the unique rules of quantum mechanics to perform communication tasks that are difficult or impossible using classical rules. To realize these benefits, information must be carried ...
    • Polarization Entangled Photon Sources for Free-Space Quantum Key Distribution 

      Tannous, Ramy (University of Waterloo, 2018-08-27)
      Free-space quantum key distribution has recently achieved several milestones, such as the launch and results of the first quantum satellite, Micius. The emergence of quantum satellites has certainly made progress towards ...
    • PPLN-based photon pair sources toward biphoton quantum frequency conversion 

      Gunther, Aimee Kirsten (University of Waterloo, 2018-08-03)
      While quantum properties of light promise much-needed enhancements to metrology, further development of quantum light sources and associated tools are needed to readily harness two-photon interactions via energy-time ...
    • Quantum key distribution devices: How to make them and how to break them 

      Kaiser, Sarah (University of Waterloo, 2016-08-30)
      As more aspects of modern society depend on digital communication, we increasingly rely on infrastructure that ensures the privacy and security of this communication. Classically, this has been provided by cryptographic ...
    • Silicon avalanche photodiodes for satellite based quantum communication 

      DSouza, Ian (University of Waterloo, 2018-09-25)
      Single photons detectors are required for applications like quantum key distribution and testing Bell's inequalities. Silicon avalanche photodiodes (Si APD's) have advantages like low dark count rate. This thesis aims to ...
    • Single-photon detectors for long distance quantum communications 

      Anisimova, Elena (University of Waterloo, 2018-01-23)
      Quantum communications and quantum cryptography are developing rapidly during the last decades caused partly by a fast progress in quantum computing. Quantum cryptography provides an unconditionally secure way of communicating ...
    • Toward standardization of Quantum Key Distribution 

      Chaiwongkhot, Poompong (University of Waterloo, 2020-09-03)
      Information security becomes an inseparable part of our everyday life. An encryption method widely used today is public-key encryption. The security of this method is based on a hard to solve mathematical problems against ...
    • Towards On-demand Generation of Entangled Photons with Quantum Dots 

      Ahmadi, Arash (University of Waterloo, 2020-01-17)
      The biexciton-exciton cascade in quantum dots (QDs) yields entangled photon pairs, and recent developments in engineering photonic structures around the dot for efficient light extraction and proper control of the ...
    • Understanding Polarization Distortions for Real-world Quantum Key Distribution 

      Slaman, Sebstian (University of Waterloo, 2020-05-15)
      The field of quantum key distribution (QKD) has seen many advancements since its conception in 1984. Recently there have been developments towards establishing free space optical links between satellites and earth to enable ...


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