dc.contributor.author | Upadhyaya, Twesh | |
dc.date.accessioned | 2021-08-12 18:15:34 (GMT) | |
dc.date.available | 2021-12-11 05:50:11 (GMT) | |
dc.date.issued | 2021-08-12 | |
dc.date.submitted | 2021-07-30 | |
dc.identifier.uri | http://hdl.handle.net/10012/17209 | |
dc.description.abstract | We develop a method to connect the infinite-dimensional description of optical continuous-variable quantum key distribution (QKD) protocols to a finite-dimensional formulation. The secure key rates of the optical QKD protocols can then be evaluated using recently-developed reliable numerical methods for key rate calculations. We apply this method to obtain asymptotic key rates for discrete-modulated continuous-variable QKD protocols, which are of practical significance due to their experimental simplicity and potential for large-scale deployment in quantum-secured networks. Importantly, our security proof does not require the photon-number cutoff assumption relied upon in previous works. We also demonstrate that our method can provide practical advantages over the flag-state squasher when applied to discrete-variable protocols. | en |
dc.language.iso | en | en |
dc.publisher | University of Waterloo | en |
dc.subject | quantum information | en |
dc.subject | quantum communication | en |
dc.title | Tools for the Security Analysis of Quantum Key Distribution in Infinite Dimensions | en |
dc.type | Master Thesis | en |
dc.pending | false | |
uws-etd.degree.department | Physics and Astronomy | en |
uws-etd.degree.discipline | Physics (Quantum Information) | en |
uws-etd.degree.grantor | University of Waterloo | en |
uws-etd.degree | Master of Science | en |
uws-etd.embargo.terms | 4 months | en |
uws.contributor.advisor | Lütkenhaus, Norbert | |
uws.contributor.affiliation1 | Faculty of Science | en |
uws.published.city | Waterloo | en |
uws.published.country | Canada | en |
uws.published.province | Ontario | en |
uws.typeOfResource | Text | en |
uws.peerReviewStatus | Unreviewed | en |
uws.scholarLevel | Graduate | en |