2006/11/30 by Roee Ozeri, R. Ozeri, Wayne M. Itano +12 · 2 citations
Computer Science · Physics and Astronomy · #Atomic physics #Cold Atom Physics and Bose-Einstein Condensates #Hyperfine structure #Ion #Photon #Physics #Quantum #Quantum Information and Cryptography #Quantum Mechanics and Applications #Quantum computer #Quantum error correction #Quantum gate #Quantum mechanics #Qubit #Raman scattering #Raman spectroscopy #Trapped ion quantum computer #quant-ph
paper · pdf · doi:10.1103/physreva.75.042329
15 pages and 6 figures, updated, fixed typos
arxiv created 2007/01/30 · openalex publication_date 2007/04/27 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
We analyze the error in trapped-ion, hyperfine qubit, quantum gates due to spontaneous scattering of photons from the gate laser beams. We investigate single-qubit rotations that are based on stimulated Raman transitions and two-qubit entangling phase gates that are based on spin-dependent optical dipole forces. This error is compared between different ion species currently being investigated as possible quantum-information carriers. For both gate types we show that with attainable laser powers the scattering error can be reduced to below current estimates of the fault-tolerance error threshold.