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The generation of entanglement between distant quantum systems is at the core of quantum networking. In recent years, numerous theoretical protocols for remote-entanglement generation have been proposed, many of which have been experimentally realized. Here, we provide a modular theoretical framework to elucidate the general mechanisms of photon-mediated entanglement generation between single spins in atomic or solid-state systems. Our framework categorizes existing protocols at various levels of abstraction and allows for combining the elements of different schemes in new ways. These abstraction layers make it possible to readily compare protocols for different quantum hardware. To enable the practical evaluation of protocols tailored to specific experimental parameters, we have devised numerical simulations based on the framework with our codes available online.1 MoreReceived 27 June 2023Revised 30 October 2023DOI:https://doi.org/10.1103/PRXQuantum.5.010202Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.Published by the American Physical SocietyPhysics Subject Headings (PhySH)Research AreasEntanglement productionOptical quantum information processingQuantum entanglementQuantum information with atoms & lightQuantum information with solid state qubitsQuantum information with trapped ionsQuantum networksQuantum repeatersQuantum Information, Science & Technology
Beukers et al. (Fri,) studied this question.