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Spectroscopic study of hyperfine properties in 171Yb3+:Y2SiO5

Welinski, Sacha
Ferrier, Alban
Goldner, Philippe
Published in Physical Review. B, Condensed Matter. 2018, vol. 98, no. 195110
Abstract Rare-earth ion-doped crystals are promising systems for quantum communication and quantum information processing. In particular, paramagnetic rare-earth centers can be utilized to realize quantum coherent interfaces simultaneously for optical and microwave photons. In this paper, we study hyperfine and magnetic properties of a Y2SiO5 crystal doped with 171Yb3+ ions. This isotope is particularly interesting since it is the only rare–earth ion having electronic spin S=1/2 and nuclear spin I=1/2, which results in the simplest possible hyperfine level structure. In this work, we determine the hyperfine tensors for the ground and excited states on the optical 2F7/2(0)⟷2F5/2(0) transition by combining spectral hole burning and optically detected magnetic resonance techniques. The resulting spin Hamiltonians correctly predict the magnetic-field dependence of all observed optical-hyperfine transitions, from zero applied field up to fields where the Zeeman interaction is dominating the hyperfine interaction. Using the optical absorption spectrum, we can also determine the order of the hyperfine levels in both states. These results pave the way for realizing solid-state optical and microwave quantum memories based on a 171Yb3+:Y2SiO5 crystal.
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Research group Groupe Gisin
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TIRANOV, Alexey et al. Spectroscopic study of hyperfine properties in 171Yb3+:Y2SiO5. In: Physical Review. B, Condensed Matter, 2018, vol. 98, n° 195110. doi: 10.1103/PhysRevB.98.195110 https://archive-ouverte.unige.ch/unige:112322

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Deposited on : 2018-12-14

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