Telecom photon interface of solid-state quantum nodes
Author(s)Li, Changhao; Cappellaro, Paola
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Published by IOP Publishing Ltd. Solid-state spins such as nitrogen-vacancy (NV) center are promising platforms for large-scale quantum networks. Despite the optical interface of NV center system, however, the significant attenuation of its zero-phonon-line photon in optical fiber prevents the network extended to long distances. Therefore a telecom-wavelength photon interface would be essential to reduce the photon loss in transporting quantum information. Here we propose an efficient scheme for coupling telecom photon to NV center ensembles mediated by rare-earth doped crystal. Specifically, we proposed protocols for high fidelity quantum state transfer and entanglement generation with parameters within reach of current technologies. Such an interface would bring new insights into future implementations of long-range quantum network with NV centers in diamond acting as quantum nodes.
DepartmentMassachusetts Institute of Technology. Department of Nuclear Science and Engineering
Journal of Physics Communications
Li, Canghao and Paola Cappellaro. "Telecom photon interface of solid-state quantum nodes." Journal of Physics Communications Volume 3 (2019) © 2019 The Author(s)
Final published version