Quantum computer apparatus

Details Quantum computer apparatus Quantum computer apparatus

2005-08-29

2008-12-16

Nguyen, Dung T (Department: 2828)

Coherent light generators

Free electron laser

C372S023000, C372S069000

Reexamination Certificate

active

07466725

ABSTRACT:
Quantum computer includes optical resonator including system group containing systems each having energy states highest-energy state |3>, and other two energy states |1> and |2>, fourth or more states |p>, transition angular frequency (ωij) between |i> and |j>, homogeneous broadening (Δωhomo,ij) in transition angular frequency between |i> and |j>, optical resonator having resonator modes, ωckof kthresonator mode, and emitting unit configured to emit light beam to system group, and wherein |ωcl−ωcm|>Δωhomo,23, system group includes system subgroups Aqhaving respective ω23which resonate with respective ωcqof resonator modes, and emitting unit is arranged to apply light beam of two wavelengths and other light beam to s(1)thquantum bit Aqs(1)(s(1)1˜r) formed of r systems selected from each Aq, light beam of two wavelengths simultaneously causing two-photon resonance on Aqat ω12or ω1p, other light beam simultaneously causing one-photon resonance on Aqat ω13or ωp3.

REFERENCES:
patent: 6800837 (2004-10-01), Ichimura et al.
patent: 2005/0110106 (2005-05-01), Goto et al.
patent: 2001-209083 (2001-08-01), None
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.
Neil A. Gershenfeld, et al., “Bulk Spin-Resonance Quantum Computation”, Science, vol. 275, Jan. 17, 1997, pp. 350-356.

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