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Article Dans Une Revue Applied Physics Letters Année : 2020

Precision measurements of electric-field-induced frequency displacements of an ultranarrow optical transition in ions in a solid

Résumé

We report a series of measurements of the effect of an electric field on the frequency of the ultranarrow linewidth F70→ D50 optical transition of Eu3+ ions in an Y2SiO5 matrix at cryogenic temperatures. We provide linear Stark coefficients along two dielectric axes and for the two different substitution sites of the Eu3+ ions, with an unprecedented accuracy and an upper limit for the quadratic Stark shift. The measurements, which indicate that the electric field sensitivity is a factor of seven larger for site 1 relative to site 2 for a particular direction of the electric field, are of direct interest in the context of both quantum information processing and laser frequency stabilization with rare-earth doped crystals, in which electric fields can be used to engineer experimental protocols by tuning transition frequencies.
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hal-03065368 , version 1 (11-08-2023)

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S. Zhang, N. Lučić, N. Galland, R. Le Targat, P. Goldner, et al.. Precision measurements of electric-field-induced frequency displacements of an ultranarrow optical transition in ions in a solid. Applied Physics Letters, 2020, 117 (22), pp.221102. ⟨10.1063/5.0025356⟩. ⟨hal-03065368⟩
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