Merging-Based Quantum Repeater (and the Noisy Stabilizer Formalism)

Date

Friday, March 14, 2025 - 14:00 to 15:00

Location

L5D23

Description

14 March 2025

Title: Merging-Based Quantum Repeater (and the Noisy Stabilizer Formalism)

Speaker: MSc Maria Flors Mor-Ruiz, Institute for Theoretical Physics, University of Innsbruck

Abstract of Talk: We introduce an alternative approach for the design of quantum repeater protocols, which at its core uses merging quantum operations, also known as fusion type-I operations, that allow the reintegration and reuse of entanglement. Unlike conventional swapping-based protocols, our method preserves entanglement after failed operations, thereby reducing waiting times, enabling higher rates, and introducing enhanced flexibility in the communication requests. Through proof-of-principle analysis, we demonstrate the advantages of this approach over standard repeater protocols, highlighting its potential for practical quantum communication scenarios.

Profile of Speaker: She received the B.Sc. degree from the University of Barcelona, Spain, in 2008, and the M.Sc. degree from Delft University of Technology, The Netherlands, in 2021. She is currently pursuing the Ph.D. degree with the University of Innsbruck, Austria, working on quantum communication and quantum networks under the supervision of Prof. Wolfgang Dür.

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