English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

We report the electromagnetically-induced-transparency (EIT) cooling of alarge trapped $^{171}$Yb$^+$ ion chain to the quantum ground state. Unlikeconventional EIT cooling, we engage a four-level tripod structure and achievefast sub-Doppler cooling over all motional modes. We observe simultaneousground-state cooling across the complete transverse mode spectrum of up to $40$ions, occupying a bandwidth of over $3$ MHz. The cooling time is observed to beless than $300\,\mu$s, independent of the number of ions. Such efficientcooling across the entire spectrum is essential for high-fidelity quantumoperations using trapped ion crystals for quantum simulators or quantumcomputers.

Efficient ground-state cooling of large trapped-ion chains with an EIT tripod scheme