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Trapped Ion Quantum Computing
Robust atom-photon gate for quantum information processing
arXiv
Authors: Omar Nagib, P. Huft, A. Safari, M. Saffman
Year
2023
Paper ID
53256
Status
Preprint
Abstract Read
~2 min
Abstract Words
100
Citations
N/A
Abstract
We propose a scheme for two-qubit gates between a flying photon and an atom in a cavity. The atom-photon gate setup consists of a cavity and a Mach-Zehnder interferometer with doubly degenerate ground and excited state energy levels mediating the atom-light interaction. We provide an error analysis of the gate and model important errors, including spatial mode mismatch between the photon and the cavity, spontaneous emission, cavity losses, detunings, and random fluctuations of the cavity parameters and frequencies. Error analysis shows that the gate protocol is more robust against experimental errors compared to previous atom-photon gates and achieves higher fidelity.
Why This Paper Matters
- This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
- It adds a 2023 reference point for readers tracking recent quantum research.
- We propose a scheme for two-qubit gates between a flying photon and an atom in a cavity.
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