Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Narrow-line cooling and imaging of Ytterbium atoms in an optical tweezer
  array   Engineering controllable, strongly interacting many-body quantum systems is
at the frontier of quantum simulation and quantum information processing.
Arrays of laser-cooled neutral atoms in optical tweezers have emerged as a
promising platform, because of their flexibility and the potential for strong
interactions via Rydberg states. Existing neutral atom array experiments
utilize alkali atoms, but alkaline-earth atoms offer many advantages in terms
of coherence and control, and also open the door to new applications in
precision measurement and timekeeping. In this work, we present a technique to
trap individual alkaline-earth-like Ytterbium (Yb) atoms in optical tweezer
arrays. The narrow $^1S_0$-$^3P_1$ intercombination line is used for both
cooling and imaging in a magic-wavelength optical tweezer at 532 nm. The low
Doppler temperature allows for imaging near the saturation intensity, resulting
in a very high atom detection fidelity. We demonstrate the imaging fidelity
concretely by observing rare ($<$ 1 in $10^4$ images) spontaneous quantum jumps
into and out of a metastable state. We also demonstrate stochastic loading of
atoms into a two-dimensional, 144-site tweezer array. This platform will enable
advances in quantum information processing, quantum simulation and precision
measurement. The demonstrated narrow-line Doppler imaging may also be applied
in tweezer arrays or quantum gas microscopes using other atoms with similar
transitions, such as Erbium and Dysprosium.

0
The categories of this paper are: hep-ph
29
The categories of this paper are: funct-an
31
The categories of this paper are: ao-sci
26
The categories of this paper are: bayes-an
1
The categories of this paper are: cs
6
The categories of this paper are: astro-ph
7
The categories of this paper are: hep-th
15
The categories of this paper are: nucl-ex
34
The categories of this paper are: chem-ph
24
The categories of this paper are: dg-ga
5
The categories of this paper are: gr-qc
37
The categories of this paper are: supr-con
27
The categories of this paper are: comp-gas
19
The categories of this paper are: eess
8
The categories of this paper are: hep-ex
32
The categories of this paper are: atom-ph