Distributed quantum science with neutral atom arrays

Many quantum computing applications are expected to require roughly a million physical qubits, yet neutral atom array systems will struggle to host more than a few tens of thousands of atoms. Distributed architectures that share entanglement between many separated atom array "modules" may offer a path to overcoming this limitation while simultaneously enabling other applications such as distributed quantum sensing and quantum communication. I will describe two efforts in our group to realize distributed architectures for neutral atom quantum science. The first approach is based on telecom-band photonic interconnects between ytterbium-171 atom arrays. We have demonstrated high-fidelity atom-photon entanglement in which the photons can be collected via a microscope objective and the atom array can be imaged onto a fiber array. We are also working towards realizing an atom array in a near-concentric optical cavity. The second approach is based on a transportable atom array that can quickly move over ~20 cm to establish parallelized entanglement between several static atom array modules within a single vacuum chamber. I will describe this novel approach and our progess towards a multi-module distributed atom array system.