Efficient spin-photon interfaces for quantum repeater and quantum network applications
Efficient spin-photon interfaces are essential for applications like quantum repeaters and quantum networks. We employ quantum interference of indistinguishable single photons as a resource for entanglement generation between remote spin systems. Color center in diamond offer unique capabilities including long-lived, spin-based memory registers and spin-photon interfaces. In an all-diamond approach we utilize macroscopic solid immersion lenses or all-diamond resonators to boost the efficiency realizing scalable platforms with high photon generation rates. Alternatively, we employ optical Fabry-Perot resonators for Purcell- enhanced photon emission offering high connectivity to existing fiber networks.
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