Genuine multipath interference

Quantum mechanics predicts that for single quanta interference is limited to pairs of events. It can therefore be categorized as "second-order interference theory''. In this thesis, we wish to explore possibility of "higher-order interference'', exemplified by generaliz...

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Bibliographic Details
Main Author: Zhao, Zhuo
Other Authors: David Wilkowski
Format: Thesis-Doctor of Philosophy
Language:English
Published: Nanyang Technological University 2020
Subjects:
Online Access:https://hdl.handle.net/10356/143353
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Institution: Nanyang Technological University
Language: English
Description
Summary:Quantum mechanics predicts that for single quanta interference is limited to pairs of events. It can therefore be categorized as "second-order interference theory''. In this thesis, we wish to explore possibility of "higher-order interference'', exemplified by generalizations of Young’s double slit experiment to three and more paths. We show in the thesis that it is possible to create higher-order interference using non-linear processes within second quantization formalism and it is present in some extensions of quantum mechanics. We also discuss operational advantages of utilizing higher-order interference and propose precise experiment with atoms to bound its presence.