Quantum

Particle-loss error correction using $2^l$-step states generated via particle-number-resolving measurement schemes

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 06/11/2026, 05:13:25 UTC.

Briefings

A new iterative scheme generates 2^l-step states using particle-number-resolving measurements to correct particle-loss errors in quantum systems. The study derives an upper bound on generation probability and compares bosonic encodings, identifying one that achieves higher channel fidelity than prior methods.

Key points

• The research proposes an iterative scheme to generate finite superpositions of Fock states where photon numbers differ by 2^l.
• An upper bound on the probability of generating these states was derived, and a specific bosonic encoding was found to achieve higher channel fidelity than previously studied methods.

Context

This work addresses quantum error correction by utilizing 2^l-step states generated via particle-number-resolving measurement schemes, offering improved channel fidelity compared to existing bosonic encodings.

Limitations

The study derives an upper bound on generation probability and identifies an efficient encoding; however, specific numerical values for the bound and the exact fidelity improvement are not provided in the evidence.

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