Physics and Astronomy SeminarExport this event to calendar

Thursday, July 29, 2021 — 2:00 PM EDT

Asymptotic security analysis of discrete-modulated continuous-variable quantum key distribution protocols

Jie Lin, Institute for Quantum Computing, University of Waterloo

Abstract:

Quantum key distribution (QKD) can be proved to be secure by laws of quantum mechanics. Continuous-variable (CV) protocols attract a lot of interests since they use similar devices as the classical telecommunication method and thus can be a cost-effective solution to quantum-safe cryptography. In this talk, we discuss the asymptotic security of CVQKD with a discrete modulation. We will start with a discussion about a numerical method to calculate the secret key rate and then discuss advantages of CVQKD and discrete modulation. Finally, we will discuss how to formulate the optimization problem for this protocol.

Jolin us via Zoom

Zoom Meeting ID:  881 5341 7118

Passcode:  196175

Location 
Virtual Meeting

,
Canada

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