Entangling microwaves with light

• 成果类型: Article
• 署名作者: Sahu, R.; Qiu, L.; Hease, W.; Arnold, G.; Minoguchi, Y.; Rabl, P.; Fink, J. M.
• 署名单位: Institute of Science & Technology - Austria; Technische Universitat Wien; Technical University of Munich
• 刊物名称: SCIENCE
• ISSN/ISSBN: 0036-12316
• DOI: 10.1126/science.adg3812
• 发表日期: 2023-05-19
• 页码: 718-721
• 关键词: quantum; entanglement; qubit; teleportation; criterion

摘要

Quantum entanglement is a key resource in currently developed quantum technologies. Sharing would enable new functionalities, but this has been hindered by an energy scale mismatch of entanglement between microwave and optical fields in a millikelvin environment. Using an optically pulsed superconducting electro-optical device, we show entanglement between propagating microwave and optical fields in the continuous variable domain. This achievement not only paves the way for entanglement between superconducting circuits and telecom wavelength light, but also has wide-ranging implications for hybrid quantum networks in the context of modularization, scaling, sensing, and cross-platform verification.