Iterative assembly of $^{171}$Yb atom arrays with cavity-enhanced optical lattices

M. A. Norcia; H. Kim; W. B. Cairncross; M. Stone; A. Ryou; M. Jaffe; M. O. Brown; K. Barnes; P. Battaglino; T. C. Bohdanowicz; A. Brown; K. Cassella; C. -A. Chen; R. Coxe; D. Crow; J. Epstein; C. Griger; E. Halperin; F. Hummel; A. M. W. Jones; J. M. Kindem; J. King; K. Kotru; J. Lauigan; M. Li; M. Lu; E. Megidish; J. Marjanovic; M. McDonald; T. Mittiga; J. A. Muniz; S. Narayanaswami; C. Nishiguchi; T. Paule; K. A. Pawlak; L. S. Peng; K. L. Pudenz; D. Rodriguez Perez; A. Smull; D. Stack; M. Urbanek; R. J. M. van de Veerdonk; Z. Vendeiro; L. Wadleigh; T. Wilkason; T. -Y. Wu; X. Xie; E. Zalys-Geller; X. Zhang; B. J. Bloom

arXiv · 2401.16177

Iterative assembly of $^{171}$Yb atom arrays with cavity-enhanced optical lattices

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Abstract

Assembling and maintaining large arrays of individually addressable atoms is a key requirement for continued scaling of neutral-atom-based quantum computers and simulators. In this work, we demonstrate a new paradigm for assembly of atomic arrays, based on a synergistic combination of optical tweezers and cavity-enhanced optical lattices, and the incremental filling of a target array from a repetitively filled reservoir. In this protocol, the tweezers provide microscopic rearrangement of atoms, while the cavity-enhanced lattices enable the creation of large numbers of optical traps with sufficient depth for rapid low-loss imaging of atoms. We apply this protocol to demonstrate near-deterministic filling (99% per-site occupancy) of 1225-site arrays of optical traps. Because the reservoir is repeatedly filled with fresh atoms, the array can be maintained in a filled state indefinitely. We anticipate that this protocol will be compatible with mid-circuit reloading of atoms into a quantum processor, which will be a key capability for running large-scale error-corrected quantum computations whose durations exceed the lifetime of a single atom in the system.

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M. A. Norcia, H. Kim, W. B. Cairncross, M. Stone, A. Ryou, M. Jaffe, M. O. Brown, K. Barnes, P. Battaglino, T. C. Bohdanowicz, A. Brown, K. Cassella, C. -A. Chen, R. Coxe, D. Crow, J. Epstein, C. Griger, E. Halperin, F. Hummel, A. M. W. Jones, J. M. Kindem, J. King, K. Kotru, J. Lauigan, M. Li, M. Lu, E. Megidish, J. Marjanovic, M. McDonald, T. Mittiga, J. A. Muniz, S. Narayanaswami, C. Nishiguchi, T. Paule, K. A. Pawlak, L. S. Peng, K. L. Pudenz, D. Rodriguez Perez, A. Smull, D. Stack, M. Urbanek, R. J. M. van de Veerdonk, Z. Vendeiro, L. Wadleigh, T. Wilkason, T. -Y. Wu, X. Xie, E. Zalys-Geller, X. Zhang, B. J. Bloom. 2024-01-29. Iterative assembly of $^{171}$Yb atom arrays with cavity-enhanced optical lattices. https://arxiv.org/abs/2401.16177

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