Quantum networks based on color centers in diamond

Kavli Affiliate: Ronald Hanson

| First 5 Authors: Maximilian Ruf, Noel H. Wan, Hyeongrak Choi, Dirk Englund, Ronald Hanson

| Summary:

With the ability to transfer and process quantum information, large-scale
quantum networks will enable a suite of fundamentally new applications, from
quantum communications to distributed sensing, metrology, and computing. This
perspective reviews requirements for quantum network nodes and color centers in
diamond as suitable node candidates. We give a brief overview of
state-of-the-art quantum network experiments employing color centers in
diamond, and discuss future research directions, focusing in particular on the
control and coherence of qubits that distribute and store entangled states, and
on efficient spin-photon interfaces. We discuss a route towards large-scale
integrated devices combining color centers in diamond with other photonic
materials and give an outlook towards realistic future quantum network protocol
implementations and applications.

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