Qubit Zoo

Universal gate operations on nuclear spin qubits in an optical tweezer array of ¹⁷¹Yb atoms

1 min read

Demonstrates universal quantum logic on nuclear spin qubits of ¹⁷¹Yb atoms in optical tweezers. The nuclear spin (I=1/2) provides a first-order magnetic-field-insensitive clock qubit with T₂ > 10 seconds, while Rydberg-mediated gates enable two-qubit entanglement.

Key Results

  • Nuclear spin qubit: I=1/2 of ¹⁷¹Yb (clock states)
  • T₂ > 10 s (spin echo, magnetic field insensitive)
  • Single-qubit gate fidelity: 99.96%
  • Two-qubit gate via Rydberg blockade

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