Large scale control over thousands of quantum emitters desired by quantum network technology is limited by power consumption and cross-talk inherent in current microwave techniques. Here we propose a quantum repeater architecture based on densely-packed diamond color centers (CCs) in a programmable electrode array. This 'electric-field programmable spin array' (eFPSA) enables high-speed spin control of individual CCs with low cross-talk and power dissipation. Integrated in a slow-light waveguide for efficient optical coupling, the eFPSA serves as a quantum interface for optically-mediated entanglement. We evaluate the performance of the eFPSA architecture in comparison to a routing tree design and show increased entanglement generation rate into thousands of qubits regime. Our results enable high fidelity control of dense quantum emitter arrays for scalable networking.
Cite
@article{arxiv.2204.07051,
title = {Electric-Field Programmable Spin Arrays for Scalable Quantum Repeaters},
author = {Hanfeng Wang and Matthew E. Trusheim and Laura Kim and Dirk R. Englund},
journal= {arXiv preprint arXiv:2204.07051},
year = {2023}
}