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High finesse bow-tie cavity for strong atom-photon coupling in Rydberg arrays

https://doi.org/10.1364/OE.469644

Chen, Yu-Ting ; Szurek, Michal ; Hu, Beili ; de_Hond, Julius ; Braverman, Boris ; Vuletic, Vladan ( September 2022 , Optics Express)

We report a high-finesse bow-tie cavity designed for atomic physics experiments with Rydberg atom arrays. The cavity has a finesse of 51,000 and a waist of 7.1μm at the cesium D2 line (852 nm). With these parameters, the cavity is expected to induce strong coupling between a single atom and a single photon, corresponding to a cooperativity per traveling mode of 35 at the cavity waist. To trap and image atoms, the cavity setup utilizes two in-vacuum aspheric lenses with a numerical aperture (NA) of 0.35 and is capable of housingNA = 0.5 microscope objectives. In addition, the large atom-mirror distance ( $≳<#comment/> 1.5$ cm) provides good optical access and minimizes stray electric fields at the position of the atoms. This cavity setup can operate in tandem with a Rydberg array platform, creating a fully connected system for quantum simulation and computation.

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Single-Atom Heat Machines Enabled by Energy Quantization

https://doi.org/10.1103/PhysRevLett.120.170601

Gelbwaser-Klimovsky, David ; Bylinskii, Alexei ; Gangloff, Dorian ; Islam, Rajibul ; Aspuru-Guzik, Alán ; Vuletic, Vladan ( April 2018 , Physical Review Letters)
Atom-by-atom assembly of defect-free one-dimensional cold atom arrays

https://doi.org/10.1126/science.aah3752

Endres, Manuel ; Bernien, Hannes ; Keesling, Alexander ; Levine, Harry ; Anschuetz, Eric R. ; Krajenbrink, Alexandre ; Senko, Crystal ; Vuletic, Vladan ; Greiner, Markus ; Lukin, Mikhail D. ( November 2016 , Science)

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Dissipative Preparation of Spin Squeezed Atomic Ensembles in a Steady State

https://doi.org/10.1103/PhysRevLett.110.120402

Dalla Torre, Emanuele G. ; Otterbach, Johannes ; Demler, Eugene ; Vuletic, Vladan ; Lukin, Mikhail D. ( March 2013 , Physical Review Letters)