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13 March 2024 Gate-based protocol simulations for quantum repeaters using quantum-dot molecules in switchable electric fields
Christopher Gies, Frederik Lohof, Steffen Wilksen, Matthias Florian
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Proceedings Volume PC12911, Quantum Computing, Communication, and Simulation IV; PC129111I (2024) https://doi.org/10.1117/12.3001561
Event: SPIE Quantum West, 2024, San Francisco, California, United States
Abstract
Quantum repeaters are crucial for extending the limits of fiber-based quantum communication. We focus on quantum-dot molecules (QDMs) as spin-photon interfaces and a promising platform for this technology. Using a fully quantum-mechanical master-equation formalism, we simulate protocol sequences considering the semiconductor material properties of QDMs [Schall et al., Adv. Quant. Technol. 4.6, 2100002 (2021)] and time-dependent electric fields for gate operations. Our findings indicate that typical QDMs, with currently attainable switching speeds, operate near the adiabatic regime, enabling high-fidelity gate operations. Our approach enables the estimation of transfer rates and predicts fabrication parameters for semiconductor QMDs.
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Christopher Gies, Frederik Lohof, Steffen Wilksen, and Matthias Florian "Gate-based protocol simulations for quantum repeaters using quantum-dot molecules in switchable electric fields", Proc. SPIE PC12911, Quantum Computing, Communication, and Simulation IV, PC129111I (13 March 2024); https://doi.org/10.1117/12.3001561
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KEYWORDS
Quantum repeaters
Electric fields
Molecules
Quantum repeater protocols
Quantum switching
Quantum communication protocols
Quantum entanglement
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