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A universal quantum module for quantum communication, computation, and metrology

MetadataDetails
Publication Date2017-08-29
AuthorsMichael Hanks, William J. Munro, Nicolò Lo Piparo, Michael Trupke, Jörg Schmiedmayer
InstitutionsNTT (Japan), University of Vienna
Citations1

In this work, we describe a simple module that could be ubiquitous for quantum information based applications. The basic modules comprises a single NV<sup>-</sup> center in diamond embedded in an optical cavity, where the cavity mediates interactions between photons and the electron spin (enabling entanglement distribution and efficient readout), while the nuclear spins constitutes a long-lived quantum memories capable of storing and processing quantum information. We discuss how a network of connected modules can be used for distributed metrology, communication and computation applications. Finally, we investigate the possible use of alternative diamond centers (SiV/GeV) within the module and illustrate potential advantages.

  1. 2017 - High-fidelity spin measurement on the nitrogen-vacancy center