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Bias-preserving and error-detectable entangling operations in a superconducting dual-rail system

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Experimental two-qubit entangling gate for cavity dual-rail erasure qubits. The displayed paper title page credits the Quantum Circuits, Inc. Team, although the arXiv metadata lists individual authors beginning with Nitish Mehta.

Key Results

  • Gate duration approximately 500 ns
  • Residual gate infidelity below 0.1% after erasure detection
  • Erasure probability approximately 0.5% per gate
  • Bit-flip errors bounded at the few-parts-per-million level

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