Remote-Entanglement Protocols for Stationary Qubits with Photonic Interfaces
H.K.C. Beukers (TU Delft - QuTech Advanced Research Centre, TU Delft - QID/Hanson Lab)
Matteo Pasini (TU Delft - QID/Hanson Lab, TU Delft - QuTech Advanced Research Centre)
Hyeongrak Choi (Massachusetts Institute of Technology)
DIrk Englund (Massachusetts Institute of Technology)
Ronald Hanson (TU Delft - QN/Hanson Lab, TU Delft - QuTech Advanced Research Centre, TU Delft - QID/Hanson Lab)
J. Borregaard (TU Delft - QuTech Advanced Research Centre, TU Delft - QN/Borregaard groep)
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Abstract
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.
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