aqora

Quantum Timekeeping: Physicists are exploring the mind‐blowing possibilities of linking a new generation of atomic clocks

Andrew Grant

Science NewsFeb 25, 20140 citations

Strobing Light Shapes Atomic Array

Rachel J. Berkowitz

An optical tweezer with a stroboscopic twist can trap cold atoms in lattices of all shapes.

PhysicsSep 14, 20220 citations

Seconds-scale coherence on an optical clock transition in a tweezer array

Matthew A. Norcia, Aaron W. Young, William J. Eckner +3 more

Building up an optical clock Arrays of optical tweezers can be used to trap atoms, which can then be manipulated individually. Such arrays have shown promise in quantum simulation of many-body systems. Norcia et al. now demonstrate that they can also be used as a platform for optical clocks. The researchers lined up 10 optical tweezers in a one-dimensional array, where each tweezer held either one or zero atoms of strontium. The atoms were subjected to laser light whose frequency was tuned to a clock transition in strontium. By monitoring the number of atoms in each tweezer, the researchers measured a long coherence time of a few seconds. Increasing the number of tweezers should improve the figures of merit of this platform. Science , this issue p. 93Building up an optical clock Arrays of optical tweezers can be used to trap atoms, which can then be manipulated individually. Such arrays have shown promise in quantum simulation of many-body systems. Norcia et al. now demonstrate that they can also be used as a platform for optical clocks. The researchers lined up 10 optical tweezers in a one-dimensional array, where each tweezer held either one or zero atoms of strontium. The atoms were subjected to laser light whose frequency was tuned to a clock transition in strontium. By monitoring the number of atoms in each tweezer, the researchers measured a long coherence time of a few seconds. Increasing the number of tweezers should improve the figures of merit of this platform. Science , this issue p. 93

arXiv:1904.10934ScienceSep 12, 2019185 citations

Precision clock traps atoms in light to keep time

Physics TodayFeb 18, 20080 citations

Ultrastable optical clock with neutral atoms in an engineered light shift trap

Katori, Takamoto

Conference on Lasers and Electro-OpticsJan 1, 20040 citations

Building up an optical clock

Jelena Stajic

Atomic Physics Arrays of optical tweezers can be used to trap atoms, which can then be manipulated individually. Such arrays have shown promise in quantum simulation of many-body systems. Norcia et al. now demonstrate that they can also be used as a platform for optical clocks. The researchers lined up 10 optical tweezers in a one-dimensional array, where each tweezer held either one or zero atoms of strontium. The atoms were subjected to laser light whose frequency was tuned to a clock transition in strontium. By monitoring the number of atoms in each tweezer, the researchers measured a long coherence time of a few seconds. Increasing the number of tweezers should improve the figures of merit of this platform. Science , this issue p. [93][1] [1]: /lookup/doi/10.1126/science.aay0644Atomic Physics Arrays of optical tweezers can be used to trap atoms, which can then be manipulated individually. Such arrays have shown promise in quantum simulation of many-body systems. Norcia et al. now demonstrate that they can also be used as a platform for optical clocks. The researchers lined up 10 optical tweezers in a one-dimensional array, where each tweezer held either one or zero atoms of strontium. The atoms were subjected to laser light whose frequency was tuned to a clock transition in strontium. By monitoring the number of atoms in each tweezer, the researchers measured a long coherence time of a few seconds. Increasing the number of tweezers should improve the figures of merit of this platform. Science , this issue p. [93][1] [1]: /lookup/doi/10.1126/science.aay0644

ScienceOct 3, 20190 citations

“Tweezer Clock” Offers New Possibilities in Timekeeping

Abstract

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“Tweezer Clock” Offers New Possibilities in Timekeeping

Abstract

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