A neutral Rydberg atom tweezer array is a promising platform for quantum computation. In this study, featuring its metastable excited state, an array of single ytterbium atoms trapped in micro-optical tweezers was constructed. This overcomes many problems in conventional systems using alkali atoms.

JPS Hot TopicsJan 1, 20220 citations

Bulletin of the American Physical Society

Quantum Science with Ytterbium Rydberg Atoms in Optical Tweezer Arrays

A. P. Burgers

Published Mar 2, 2020• 0 citations

OpenAlex

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A dual-region ytterbium tweezer apparatus with an in-vacuum nanofiber cavity

Shunichiro Hashimoto, Hideki Ozawa, Yusuke Hisai +2 more

We present a dual-region experimental apparatus for trapping single atoms of the fermionic isotope ytterbium-171 ( ${}^{171}\mathrm{Yb}$ ) with optical tweezers in a science chamber containing an in-vacuum nanofiber cavity. A source region is located approximately $240\,\mathrm{mm}$ from the science chamber, preserving optical access around the chamber for high-numerical-aperture tweezer optics. A pulsed transport sequence based on longitudinal moving molasses launches atomic pulses toward the science chamber, where they are decelerated and recaptured in a magneto-optical trap. We subsequently load single atoms into a $2\times2$ tweezer array located approximately $50\,\mathrm{μm}$ from the nanofiber and measure a $1/e$ lifetime of $9.5(7)\,\mathrm{s}$ . These results demonstrate that the dual-region architecture provides sufficient ${}^{171}\mathrm{Yb}$ atoms for single-atom tweezer operation near an in-vacuum nanofiber cavity.We present a dual-region experimental apparatus for trapping single atoms of the fermionic isotope ytterbium-171 (${}^{171}\mathrm{Yb}$) with optical tweezers in a science chamber containing an in-vacuum nanofiber cavity. A source region is located approximately $240\,\mathrm{mm}$ from the science chamber, preserving optical access around the chamber for high-numerical-aperture tweezer optics. A pulsed transport sequence based on longitudinal moving molasses launches atomic pulses toward the science chamber, where they are decelerated and recaptured in a magneto-optical trap. We subsequently load single atoms into a $2\times2$ tweezer array located approximately $50\,\mathrm{μm}$ from the nanofiber and measure a $1/e$ lifetime of $9.5(7)\,\mathrm{s}$. These results demonstrate that the dual-region architecture provides sufficient ${}^{171}\mathrm{Yb}$ atoms for single-atom tweezer operation near an in-vacuum nanofiber cavity.

quant-pharXiv:2609.25245Sep 23, 20260 citations

Optical Tweezer Arrays with Ytterbium Atoms for Studying Quantum Phenomena

JPS Hot TopicsJan 1, 20220 citations

We present a dual-region experimental apparatus for trapping single atoms of the fermionic isotope ytterbium-171 (

{}^{171}\mathrm{Yb}

) with optical tweezers in a science chamber containing an in-vacuum nanofiber cavity. A source region is located approximately

240\,\mathrm{mm}

from the science chamber, preserving optical access around the chamber for high-numerical-aperture tweezer optics. A pulsed transport sequence based on longitudinal moving molasses launches atomic pulses toward the science chamber, where they are decelerated and recaptured in a magneto-optical trap. We subsequently load single atoms into a

2\times2

tweezer array located approximately

50\,\mathrm{μm}

from the nanofiber and measure a

1/e

lifetime of

9.5(7)\,\mathrm{s}

. These results demonstrate that the dual-region architecture provides sufficient

{}^{171}\mathrm{Yb}

atoms for single-atom tweezer operation near an in-vacuum nanofiber cavity.