Optically-Heralded Entanglement of Superconducting Systems in Quantum Networks

• URL: http://arxiv.org/abs/2012.13408v3
• Date: Tue, 7 Sep 2021 17:49:22 GMT
• Title: Optically-Heralded Entanglement of Superconducting Systems in Quantum Networks
• Authors: Stefan Krastanov, Hamza Raniwala, Jeffrey Holzgrafe, Kurt Jacobs, Marko Lon\v{c}ar, Matthew J. Reagor, Dirk R. Englund
• Abstract summary: We propose optical networking via heralding end-to-end entanglement with one detected photon and teleportation. This technique unifies and simplifies entanglement generation between superconducting devices and other physical modalities in quantum networks.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Networking superconducting quantum computers is a longstanding challenge in quantum science. The typical approach has been to cascade transducers: converting to optical frequencies at the transmitter and to microwave frequencies at the receiver. However, the small microwave-optical coupling and added noise have proven formidable obstacles. Instead, we propose optical networking via heralding end-to-end entanglement with one detected photon and teleportation. In contrast to cascaded direct transduction, our scheme absorbs the low optical-microwave coupling efficiency into the heralding step, thus breaking the rate-fidelity trade-off. Moreover, this technique unifies and simplifies entanglement generation between superconducting devices and other physical modalities in quantum networks.

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