Scientific article

Coupling of an erbium spin ensemble to a superconducting resonator

Publication date2012

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.

Citation (ISO format)
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. doi: 10.1088/0953-4075/45/12/124019
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Article (Published version)
ISSN of the journal0953-4075

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