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SEM of Artificial Atom
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SEM of Artificial Atom

June 28, 2010
SEM of Artificial Atom A scanning electron micrograph of an artificial atom (light blue) inside of a transmission line cavity (dark blue). The "atom"--composed of an artificial atom of aluminum--gives a distinct signal for each possible photon number in the cavity. The theoretical prediction (color plot) was verified by these experiments. Using artificial atoms on a chip, Yale physicists have taken the next step toward quantum computing by demonstrating that the particle nature of microwave photons can now be detected, according to a report spotlighted in the Feb. 1, 2007, issue of the journal Nature. For more information about this research, see the Yale University news release "Artificial Atoms Make Microwave Photons Countable." [This research was supported in part by a grant from the National Science Foundation.] (Date of Image: Aug. 20, 2007)