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Recoil-free Quantum Gates with Optical Qubits

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arxiv 2408.04622 v1 pith:EPI3HRAT submitted 2024-08-08 quant-ph physics.atom-ph

Recoil-free Quantum Gates with Optical Qubits

classification quant-ph physics.atom-ph
keywords opticalfidelitygatespulsesquantumqubitsaboveanalytical
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We propose a scheme to perform optical pulses that suppress the effect of photon recoil by three orders of magnitude compared to ordinary pulses in the Lamb-Dicke regime. We derive analytical insight about the fundamental limits to the fidelity of optical qubits for trapped atoms and ions. This paves the way towards applications in quantum computing for realizing $>1000$ of gates with an overall fidelity above 99\%.

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Cited by 3 Pith papers

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  1. Quantum Non-Gaussian State Preparation of Levitated Particles via Time-Dependent Control of Weakly Nonharmonic Hybrid Potentials

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  2. Multi-Qubit Parity Gates for Rydberg Atoms in Various Configurations

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    Global phase modulation of a Rydberg laser combined with optimal control enables high-fidelity multi-qubit parity gates in neutral atoms across equidistant and inhomogeneous configurations.

  3. Strategic Plan for Neutral Atom Quantum Computation

    quant-ph 2026-07 conditional novelty 3.0

    If qubit-count growth (~1.8x/yr) and gate-error reduction (~0.62x/yr) continue, neutral-atom quantum computers could reach practical quantum advantage within a decade, this roadmap projects.