Phase control of trapped ion quantum gates
Open accessAbstract
There are several known schemes for entangling trapped ion quantum bits for large-scale quantum computation. Most are based on an interaction between the ions and external optical fields, coupling internal qubit states of trapped ions to their Coulomb-coupled motion. In this paper, we examine the sensitivity of these motional gate schemes to phase fluctuations introduced through noisy external control fields, and suggest techniques for suppressing the resulting phase decoherence.
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For unmeasured ions in the gate zones, the crosstalk error is mitigated by the micromotion hiding technique.
“For unmeasured ions in the gate zones, this error is mitigated by the micromotion hiding technique described in Ref. [31] and depicted in Fig. 2(g).”
From A Race-Track Trapped-Ion Quantum Processor (2023) · cites this paper as [31]
Section 3 (pp. 16–17) discusses reducing gate phase errors through the direction and timing of laser-pulse momentum transfers, not hiding unmeasured ions from crosstalk. Searches for “micromotion” and for hiding ions in gate zones found no passage in our copy addressing the claimed technique. (LLM, conf=0.73)
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- Authors
- Lee, P. J., Brickman, K.-A., Deslauriers, L., Haljan, P. C., Duan, L.-M., & Monroe, C.
- Affiliations
- University of Michigan (US)
- ORCID
- Deslauriers, L
- Venue
- Journal of Optics B: Quantum and Semiclassical Optics
- Publisher
- IOP Publishing
- Published
- 2005-09-21
- Volume
- 7
- Issue
- 10
- Pages
- S371-S383
- ISSN
- 1464-4266 (ISSN-L)
- 1741-3575
- OpenAlex
- W2143158757
- Cited by
- 181
- References
- 4
- Citations by year
- 2026: 5 · 2025: 15 · 2024: 11 · 2023: 12 · 2022: 2 · 2021: 19 · 2020: 9 · 2019: 7 · 2018: 10 · 2017: 9 · 2016: 11 · 2015: 4 · 2014: 11 · 2013: 9 · 2012: 7
- FWCI
- 5.63
- Type
- journal article
- Language
- en
- Open access
- green
- arxiv.org
- Locations
- Journal of Optics B Quantum and Semiclassical Optics (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- Deep Blue (University of Michigan) (submittedVersion)
- arXiv (Cornell University)
- Funders
- National Security Agency
- Army Research Office
- Topics
- Physical Sciences › Computer Science › Artificial Intelligence › Quantum Information and Cryptography
- Physical Sciences › Computer Science › Artificial Intelligence › Quantum Computing Algorithms and Architecture
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Cold Atom Physics and Bose-Einstein Condensates
- Keywords
- trapped ions, quantum gates, phase control, phase decoherence, phase fluctuations, Coulomb coupling, quantum computing
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