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An atomic boson sampler

https://doi.org/10.1038/s41586-024-07304-4

Young, Aaron W; Geller, Shawn; Eckner, William J; Schine, Nathan; Glancy, Scott; Knill, Emanuel; Kaufman, Adam M (May 2024, Nature)

Free, publicly-accessible full text available May 9, 2025
Realizing spin squeezing with Rydberg interactions in an optical clock

https://doi.org/10.1038/s41586-023-06360-6

Eckner, William J; Darkwah_Oppong, Nelson; Cao, Alec; Young, Aaron W; Milner, William R; Robinson, John M; Ye, Jun; Kaufman, Adam M (September 2023, Nature)

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Long-lived Bell states in an array of optical clock qubits

https://doi.org/10.1038/s41567-022-01678-w

Schine, Nathan; Young, Aaron W.; Eckner, William J.; Martin, Michael J.; Kaufman, Adam M. (September 2022, Nature Physics)

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Tweezer-programmable 2D quantum walks in a Hubbard-regime lattice

https://doi.org/10.1126/science.abo0608

Young, Aaron W.; Eckner, William J.; Schine, Nathan; Childs, Andrew M.; Kaufman, Adam M. (August 2022, Science)

A spatial search was performed using quantum walks of strontium-88 atoms in a combined optical tweezer-lattice platform.
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High-power, fiber–laser-based source for magic-wavelength trapping in neutral-atom optical clocks

https://doi.org/10.1063/5.0057619

Eckner, William J.; Young, Aaron W.; Schine, Nathan; Kaufman, Adam M. (September 2021, Review of Scientific Instruments)

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Half-minute-scale atomic coherence and high relative stability in a tweezer clock

https://doi.org/10.1038/s41586-020-3009-y

Young, Aaron W.; Eckner, William J.; Milner, William R.; Kedar, Dhruv; Norcia, Matthew A.; Oelker, Eric; Schine, Nathan; Ye, Jun; Kaufman, Adam M. (December 2020, Nature)
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Seconds-scale coherence on an optical clock transition in a tweezer array

https://doi.org/10.1126/science.aay0644

Norcia, Matthew A.; Young, Aaron W.; Eckner, William J.; Oelker, Eric; Ye, Jun; Kaufman, Adam M. (October 2019, Science)

Coherent control of high–quality factor optical transitions in atoms has revolutionized precision frequency metrology. Leading optical atomic clocks rely on the interrogation of such transitions in either single ions or ensembles of neutral atoms to stabilize a laser frequency at high precision and accuracy. We demonstrate a platform that combines the key strengths of these two approaches, based on arrays of individual strontium atoms held within optical tweezers. We report coherence times of 3.4 seconds, single-ensemble duty cycles up to 96% through repeated interrogation, and frequency stability of 4.7 × 10 −16 (τ/s) –1/2 . These results establish optical tweezer arrays as a powerful tool for coherent control of optical transitions for metrology and quantum information science.
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