A crystal consisting of indium (pink) and ytterbium (blue) ions (IMAGE)

Physikalisch-Technische Bundesanstalt (PTB)

A crystal consisting of indium (pink) and ytterbium (blue) ions

Caption

A crystal consisting of indium (pink) and ytterbium (blue) ions. The figure shows the fluorescence of the single atoms, which is detected to determine the quantum state. The colors have been adjusted; the fluorescence of both species is in the ultraviolet spectral range.

Credit

Physikalisch-Technische Bundesanstalt

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CC BY

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