Quantum bit reading device and method

Details Quantum bit reading device and method Quantum bit reading device and method

2008-03-11

2010-02-23

Chowdhury, Tarifur (Department: 2886)

Optics: measuring and testing

By light interference

Having partially reflecting plates in series

C356S450000

Reexamination Certificate

active

07667853

ABSTRACT:
An apparatus includes a material in a resonator and containing systems, each of the systems having five energy states, a unit generating first and second pulse that resonate in a second transition and a third transition, respectively, a unit controlling the first and second pulse to make the first and second pulse temporally overlap each other to obtain third light, a unit emitting the third light to each system, a unit generating observation light to be coupled to the resonator mode, a unit introducing the observation light to the resonator from an outside thereof, a unit reading one of quantum bits by measuring an intensity of one of reflected light and transmitted light of the observation light, a unit controlling the first and second pulse to make the first and second pulse temporally overlap each other to obtain fourth light, and a unit emitting the fourth light to each system.

REFERENCES:
patent: 7126106 (2006-10-01), Goto et al.
patent: 7230266 (2007-06-01), Hilton et al.
patent: 7437533 (2008-10-01), Ichimura et al.
A. Boca, et al, “Observation of the Vacuum Rabi Spectrum for One Trapped Atom”, Physical Review Letters, PRL 93, 233603, Dec. 3, 2004, pp. 233603-1-233603-4.
H. J. Carmichael, et al. “Cavity Quantum Electrodynamics”, edited by P.R. Berman, Academic Press. Inc., 1994, pp. 396-399.
J. Gripp, et al, “Evolution of the Vacuum Rabi Peaks in a Detuned Atom-Cavity System”, Physical Review A, vol. 56, No. 4, Oct. 1997, pp. 3262-3273.

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