Overcoming Stark-Shift Constraints in Phase-Controlled Rydberg Two-Qubit Gates
Fuente:
arXiv
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| Autori principali: | , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2026
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| Soggetti: | |
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| _version_ | 1866918271562809344 |
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| author | Sola, Ignacio R. Carrasco, Sebastian C. Malinovsky, Vladimir S. Shin, Seokmin Chang, Bo Y. |
| author_facet | Sola, Ignacio R. Carrasco, Sebastian C. Malinovsky, Vladimir S. Shin, Seokmin Chang, Bo Y. |
| contents | 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. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_01521 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Overcoming Stark-Shift Constraints in Phase-Controlled Rydberg Two-Qubit Gates Sola, Ignacio R. Carrasco, Sebastian C. Malinovsky, Vladimir S. Shin, Seokmin Chang, Bo Y. Quantum Physics 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. |
| title | Overcoming Stark-Shift Constraints in Phase-Controlled Rydberg Two-Qubit Gates |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2601.01521 |