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Coupling of an erbium spin ensemble to a superconducting resonator

Authors
Staudt, Matthias U.
Hoi, Io-Chun
Krantz, Philip
Sandberg, Martin
Simoen, Michaël
Bushev, Pavel
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Published in Journal of Physics. B, Atomic, Molecular and Optical Physics. 2012, vol. 45, no. 12, p. 124019
Abstract 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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STAUDT, Matthias U. et al. Coupling of an erbium spin ensemble to a superconducting resonator. In: Journal of Physics. B, Atomic, Molecular and Optical Physics, 2012, vol. 45, n° 12, p. 124019. https://archive-ouverte.unige.ch/unige:36545

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Deposited on : 2014-05-13

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