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Neutral Atom Rydberg Quantum Computing Quantum Circuit Design Gate Engineering

Overcoming Stark-Shift Constraints in Phase-Controlled Rydberg Two-Qubit Gates

arXiv
Authors: Ignacio R. Sola, Sebastian C. Carrasco, Vladimir S. Malinovsky, Seokmin Shin, Bo Y. Chang

Year

2026

Paper ID

4257

Status

Preprint

Abstract Read

~2 min

Abstract Words

89

Citations

N/A

Abstract

Stark shifts introduce additional phases that constrain the set of entangling gates that can be prepared via two-photon transitions in the strong Rydberg blockade limit. For non-independently addressed qubits, by controlling the absolute phases and the local amplitudes of the pulses at each qubit, we show that any two-qubit phase gate can be prepared with high fidelity using a three-pulse sequence. Based on these insights, we introduce two robust control schemes tailored to different phase gates that yield better results with pulse sequences of either even or odd length.

Why This Paper Matters

  • This paper contributes to the Neutral-Atom & Rydberg Quantum Computing research area in the Quantum Articles archive.
  • It adds a 2026 reference point for readers tracking recent quantum research.
  • Stark shifts introduce additional phases that constrain the set of entangling gates that can be prepared via two-photon transitions in the strong Rydberg blockade limit.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2601.01521 [2] arXiv https://arxiv.org/abs/2601.01521 [3] Publisher https://arxiv.org/abs/2601.01521

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