Applications of Quantum Measurement Techniques: Counterfactual Quantum Computation, Spin Hall Effect of Light, and Atomic-Vapor-Based Photon Detectors
Hosten, Onur
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https://hdl.handle.net/2142/80631
Description
Title
Applications of Quantum Measurement Techniques: Counterfactual Quantum Computation, Spin Hall Effect of Light, and Atomic-Vapor-Based Photon Detectors
Author(s)
Hosten, Onur
Issue Date
2010
Doctoral Committee Chair(s)
DeMarco, Brian L.
Department of Study
Physics
Discipline
Physics
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Physics, Quantum
Language
eng
Abstract
Our approach to ultra-high-efficiency photon detection develops and extends a recent novel non-solid-state scheme for photo-detection based on atomic vapors. This approach is in principle capable of resolving the number of photons in a pulse, can be extended to non-destructive detection of photons, and most importantly is proposed to operate with single-photon detection efficiencies exceeding 99%, ideally without dark counts. Such a detector would have tremendous implications, e.g., for optical quantum information processing. The feasibility of operation of this approach at the desired level is studied theoretically and several promising physical systems are investigated.
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