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  • Letter
  • Open Access

Plane-selective manipulations of nuclear spin qubits in a three-dimensional optical tweezer array

Toshi Kusano*, Yuma Nakamura, Rei Yokoyama, Naoya Ozawa, Kosuke Shibata, Tetsushi Takano, Yosuke Takasu, and Yoshiro Takahashi

  • Department of Physics, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan

  • *Contact author: kusano@yagura.scphys.kyoto-u.ac.jp
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Phys. Rev. Research 7, L022045 – Published 30 May, 2025

DOI: https://doi.org/10.1103/PhysRevResearch.7.L022045

Abstract

One of the central challenges for a practical fault-tolerant quantum computer is scalability. A three-dimensional structure of optical tweezer arrays offers the potential for scaling up neutral atom processors. However, coherent local operations, essential for quantum error correction, have yet to be explored for this platform. Here, we demonstrate plane-by-plane initialization of nuclear spin qubits of Yb171 atoms in a three-dimensional atom array and plane-dependent coherent temporal evolution of qubits, as well as plane-selective qubit manipulation by exploiting the plane-selective excitation of the atoms from the S01 to the P23 state. This plane-selective manipulation technique paves the way for quantum computing and quantum simulation in three-dimensional multilayer architectures.

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Phys. Rev. Research 7, L022045– Published 30 May, 2025
  • Received 7 January 2025
  • Accepted 23 April 2025
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