期刊
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
卷 45, 期 12, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0953-4075/45/12/124019
关键词
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资金
- EU integrated project SOLID
- BMBF project QUIMP
- RiSC grant of KIT
- MWK of Baden-Wuerttemberg
- EU integrated project Q-Essence
A quantum coherent interface between optical and microwave photons can be used as a basic building block within a future quantum information network. The interface is envisioned as an ensemble of rare-earth ions coupled to a superconducting resonator, allowing for coherent transfer between optical and microwave photons. Towards this end, we have realized a hybrid device coupling a Er3+-doped Y2SiO5 crystal in a superconducting coplanar waveguide cavity. We observe a collective spin coupling of 4 MHz and a spin linewidth of down to 75 MHz.
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