Analytical and numerical bounds on entanglement delivery waiting times

Sebastiaan Brand; Tim Coopmans; David Elkouss; Boxi Li

doi:10.1117/12.2651134

8 March 2023 Analytical and numerical bounds on entanglement delivery waiting times

Sebastiaan Brand, Tim Coopmans, David Elkouss, Boxi Li

Proceedings Volume 12446, Quantum Computing, Communication, and Simulation III; 124460B (2023) https://doi.org/10.1117/12.2651134
Event: SPIE Quantum West, 2023, San Francisco, California, United States

Abstract

The vision of a global network that enables quantum communications between any point on Earth is known as the quantum internet. One crucial element of this network is the use of quantum repeater chains, which have the potential to overcome transmission losses and implement entanglement or quantum key distribution protocols over extended distances. There are various proposals for quantum repeaters, but they can generally be evaluated based on two main figures of merit: the average time for end-to-end entanglement delivery and the associated average fidelity. However, characterizing these quantities can be difficult due to factors such as feedback loops, decoherence, entanglement generation being a probabilistic process, and the potential failure of subprotocols. In this talk, I will discuss algorithmic and analytical methods for computing these quantities for relevant families of protocols.

Conference Presentation

Citation Download Citation

Sebastiaan Brand, Tim Coopmans, David Elkouss, and Boxi Li "Analytical and numerical bounds on entanglement delivery waiting times", Proc. SPIE 12446, Quantum Computing, Communication, and Simulation III, 124460B (8 March 2023); https://doi.org/10.1117/12.2651134

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