Quantum interfaces with multilayered superwavelength atomic arrays
- URL: http://arxiv.org/abs/2402.06839v1
- Date: Fri, 9 Feb 2024 23:57:02 GMT
- Title: Quantum interfaces with multilayered superwavelength atomic arrays
- Authors: Roni Ben-Maimon, Yakov Solomons, Nir Davidson, Ofer Firstenberg, and
Ephraim Shahmoon
- Abstract summary: We consider quantum light-matter interfaces comprised of multiple layers of two-dimensional atomic arrays.
We show that the addition of layers can suppress these losses through destructive interference between the layers.
We find that optimized efficiency favors small diffraction-order angles and small interlayer separations.
- Score: 0.0
- License: http://creativecommons.org/licenses/by/4.0/
- Abstract: We consider quantum light-matter interfaces comprised of multiple layers of
two-dimensional atomic arrays, whose lattice spacings exceed the wavelength of
light. While the coupling of light to a single layer of such a
``superwavelength" lattice is considerably reduced due to scattering losses to
high diffraction orders, we show that the addition of layers can suppress these
losses through destructive interference between the layers. Mapping the problem
to a 1D model of a quantum interface wherein the coupling efficiency is
characterized by a reflectivity, we analyze the latter by developing a
geometrical optics formulation, accounting for realistic finite-size arrays. We
find that optimized efficiency favors small diffraction-order angles and small
interlayer separations, and that the coupling inefficiency of two layers
universally scales as $N^{-1}$ with the atom number per layer $N$. We validate
our predictions using direct numerical calculations of the scattering
reflectivity and the performance of a quantum memory protocol, demonstrating
high atom-photon coupling efficiency. We discuss the utility of our technique
for applications in tweezer atomic arrays platforms.
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