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Ph.D. Defense: Omar Amer
December 8, 2021 @ 2:30 pm - 4:00 pm EST
Title: Towards Practical Quantum Key Distribution
Ph.D. Candidate: Omar Amer
Major Advisor: Dr. Walter O. Krawec
Associate Advisors: Dr. Bing Wang, Dr. Benjamin Fuller
Date/Time: Wednesday, December 8th, 2021, 2:30 pm – 4:00pm
Location: 1947 Room, Homer Babbidge Library
Towards Practical Quantum Key Distribution – Oral Proposal Defense
Hosted by Omar Amer
Wednesday, Dec 8, 2021 2:30 pm | 1 hour 30 minutes | (UTC-05:00) Eastern Time (US & Canada)
Meeting number: 2623 112 0852
Quantum information theory threatens upheavals in a number of computational fields in the coming decades. Foremost among them, a number of standard cryptographic assumptions used in public key cryptography are known to be broken by Shor’s algorithm. One option for their replacement are quantum key distribution (QKD) protocols, which allow two parties, Alice and Bob, to establish information theoretic secure secret keys using an authenticated, public, classical communication channel and an untrusted quantum channel. In the four decades since BB84, the original QKD protocol, was discovered, QKD protocols have undergone much theoretical and experimental development — recently even seeing commercial implementations and large-scale tests.
In this dissertation we propose to further develop the theory behind QKD and apply towards three main goals: (i) to reduce the complexity of QKD protocols, investigating what can be achieved when parties have limited quantum capabilities and by relaxing assumptions that are regularly made when conducting security analysis as well as by the development and analysis of novel protocols and proof techniques; (ii) to broaden the accessibility of QKD technology and research by developing useful open-source software for modeling quantum networks, conducting QKD with real hardware, and for modeling arbitrary protocols; and finally, (iii) to improve the scalability of the technology by developing and analyzing a model and the necessary algorithms for the implementation of quantum key distribution networks. We begin with a summary of our contributions, planned and completed, in the service of these goals, as well as review of the relevant works already extant in the literature. We then discuss some of the promising results we have achieved thus far and detail methods used to produce them. Finally, we propose some final contributions we plan on completing, and discuss our planned methodology.
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