Journal
NATURE COMMUNICATIONS
Volume 11, Issue 1, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/s41467-020-16996-x
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Funding
- Office of Naval Research Young Investigator Award [N00014-16-1-2676]
- Office of Naval Research Award [N00014-19-1-2182]
- Air Force Office of Scientific Research [FA9550-18-1-0374]
- Army Research Office (ARO/LPS) (CQTS) grant [W911NF1810011]
- Northrop Grumman
- Weston Havens Foundation
- American Australian Associations Northrop Grumman Fellowship
- Natural Sciences and Engineering Research Council of Canada [PGSD2-502755-2017, PGSD3-502844-2017]
- U.S. Department of Defense (DOD) [W911NF1810011] Funding Source: U.S. Department of Defense (DOD)
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Optical networks that distribute entanglement among various quantum systems will form a powerful framework for quantum science but are yet to interface with leading quantum hardware such as superconducting qubits. Consequently, these systems remain isolated because microwave links at room temperature are noisy and lossy. Building long distance connectivity requires interfaces that map quantum information between microwave and optical fields. While preliminary microwave-to-optical transducers have been realized, developing efficient, low-noise devices that match superconducting qubit frequencies (gigahertz) and bandwidths (10 kilohertz - 1 megahertz) remains a challenge. Here we demonstrate a proof-of-concept on-chip transducer using trivalent ytterbium-171 ions in yttrium orthovanadate coupled to a nanophotonic waveguide and a microwave transmission line. The devices miniaturization, material, and zero-magnetic-field operation are important advances for rare-earth ion magneto-optical devices. Further integration with high quality factor microwave and optical resonators will enable efficient transduction and create opportunities toward multi-platform quantum networks. p id=Par Long distance interfaces between superconducting quantum information processing nodes would require coherent, efficient and low-noise microwave-to-optical conversion. Here, the authors use Yb ion ensembles in yttrium orthovanadate to demonstrate a transducer with the potential to fulfill these requirements.
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