As a subset of quantum optics, single photons are one of the competing physical resources for quantum information processing. When used as carriers of quantum information, they have no equal. For the processing of quantum information, single photons have proven difficult to scale beyond the order of ~10 photons. The lack of single-photon-level interaction has led to creative approaches which rely on post-selection to filter the possible measured outcomes to those which appear as though interaction occurred. This approach of post-selection leans heavily on the ability to not only generate but also detect scores of single photons simultaneously and with near perfect efficiency. Our work relaxes the emphasis which has been placed on single photons for quantum information processing to that of states with, in principle, an arbitrary number of photons. Central moment expectations on two-mode squeezed states are shown to exhibit post-selection behavior which reflects the single-photon counterpart. These measures are proven to be robust to loss and return entangled state statistics on average. With naive estimation of the central moment, states with ~20 modes are within reach with current technology, closing the gap between quantum states which can and cannot be classically simulated.
|Advisor:||Miller, Warner A., Alsing, Paul M.|
|Commitee:||Beetle, Christopher, Qiu, Shen Li|
|School:||Florida Atlantic University|
|School Location:||United States -- Florida|
|Source:||DAI-B 79/10(E), Dissertation Abstracts International|
|Subjects:||Quantum physics, Optics|
|Keywords:||Quantum computing, Quantum optics, Quantum supremacy, Squeezed states|
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