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State-Dependent Optical Lattices for the Strontium Optical Qubit

TitleState-Dependent Optical Lattices for the Strontium Optical Qubit
Publication TypeJournal Article
Year of Publication2020
AuthorsA.. Heinz, A.. J. Park, N.. Santi, J.. Trautmann, S.. G. Porsev, M.. S. Safronova, I. Bloch, and S.. Blatt
JournalPhys. Rev. Lett.
Date PublishedMAY 18
Type of ArticleArticle

We demonstrate state-dependent optical lattices for the Sr optical qubit at the tune-out wavelength for its ground state. We tightly trap excited state atoms while suppressing the effect of the lattice on ground state atoms by more than 4 orders of magnitude. This highly independent control over the qubit states removes inelastic excited state collisions as the main obstacle for quantum simulation and computation schemes based on the Sr optical qubit. Our results also reveal large discrepancies in the atomic data used to calibrate the largest systematic effect of Sr optical lattice clocks.