A teleportation protocol for cat-state encoded qubits using only beam splitters and binary-outcome parity/dispersive measurements achieves near-perfect fidelity with repeated measurements.
We calculate this by applying the parity projection opera- tors Pσa and Pσb on the state (20), where σa, σb ∈ ±1 label the measurement outcomes
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Quantum teleportation of cat states with binary-outcome measurements
A teleportation protocol for cat-state encoded qubits using only beam splitters and binary-outcome parity/dispersive measurements achieves near-perfect fidelity with repeated measurements.