Quantum information processing device and method

Details Quantum information processing device and method Quantum information processing device and method

2006-09-26

2008-10-14

Pert, Evan (Department: 2826)

Electrical computers and digital processing systems: processing

Processing architecture

C712S220000, C250S526000, C359S001000, C359S896000

Reexamination Certificate

active

07437533

ABSTRACT:
Quantum information processing device includes resonator incorporating material containing physical systems, each of physical systems having at least four energy states, transition between two energy states of at least four energy states, and transition energy between at least two energy states of at least four energy states, at least four energy states being non-degenerate when magnetic field fails to be applied to physical systems, transition resonating in resonator mode that is in common between physical systems, each of at least four energy states representing a quantum bit, transition energy being shifted when magnetic field is applied to physical systems, and magnetic-field application unit configured to apply magnetic field having direction and intensity to material, to eliminate linear transition energy shift between two energy states included in physical systems, each of two energy states included in physical systems being with excluding two energy states resonating in resonator mode.

REFERENCES:
patent: 6800837 (2004-10-01), Ichimura et al.
patent: 2005/0110106 (2005-05-01), Goto et al.
patent: WO 2004106961 (2004-12-01), None
K. Ichimura, et al., “Evidence for electromagnetically induced transparency in a solid medium”, The American Physical Society, Physical Review A, vol. 58, No. 5, Nov. 1998. pp. 4116-4120.
Kouichi Ichimura, “A simple frequency-domain quantum computer with ions in a crystal coupled to a cavity mode”, Optics Communications 196, Sep. 1, 2001, pp. 119-125.
E. Fraval, et al., “Method of Extending Hyperfine Coherence Times in Pr3+:Y2SiO5”, The American Physical Society, Physical Review Letters, vol. 92, No. 7, Feb. 20, 2004, pp. 077601-1-077601-4.
E. Fraval, et al., “Dynamic Decoherence Control of a Solid-State Nuclear-Quadrupole Qubit”, The American Physcial Society, Physical Review Letters 95, Jul. 15, 2005, pp. 030506-1-030506-4.
Hayato Goto, et al., “Multiqubit controlled unitary gate by adiabatic passage with a optical cavity”, The American Physical Society, Physical Review A 70, Jul. 9, 2004, pp. 012305-1-012305-8.
U.S. Appl. No. 10/975,445, filed Oct. 29, 2004, Goto et al.
U.S. Appl. No. 11/535,263, filed Sep. 26, 2006, Ichimura et al.

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