Selective Radiance in Super-Wavelength Atomic Arrays
- URL: http://arxiv.org/abs/2402.06439v1
- Date: Fri, 9 Feb 2024 14:30:47 GMT
- Title: Selective Radiance in Super-Wavelength Atomic Arrays
- Authors: Charlie-Ray Mann, Francesco Andreoli, Vladimir Protsenko, Zala
Lenar\v{c}i\v{c}, Darrick Chang
- Abstract summary: We show that selective radiance can be achieved in arrays with super-wavelength spacing.
These super-wavelength arrays can also be functionalized into efficient quantum memories.
- Score: 0.0
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: A novel way to create efficient atom-light interfaces is to engineer
collective atomic states that selectively radiate into a target optical mode by
suppressing emission into undesired modes through destructive interference.
While it is generally assumed that this approach requires dense atomic arrays
with sub-wavelength lattice constants, here we show that selective radiance can
also be achieved in arrays with super-wavelength spacing. By stacking multiple
two-dimensional arrays we find super-wavelength mirror configurations where one
can eliminate emission into unwanted diffraction orders while enhancing
emission into the desired specular mode, leading to near-perfect reflection of
weak resonant light. These super-wavelength arrays can also be functionalized
into efficient quantum memories, with error probabilities on the order of ~1
for a trilayer with only around ~100 atoms per layer. Relaxing the previous
constraint of sub-wavelength spacing could potentially ease the technical
requirements for realizing efficient atom-light interfaces, such as enabling
the use of tweezer arrays.
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