The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 20, 2009
Filed:
Aug. 10, 2004
Andrew D. Greentree, Coburg, AU;
Alexander Rudolf Hamilton, Forestville, AU;
Frederick Green, Annandale, AU;
Lloyd Christopher Leonard Hollenberg, Victoria, AU;
Andrew D. Greentree, Coburg, AU;
Alexander Rudolf Hamilton, Forestville, AU;
Frederick Green, Annandale, AU;
Lloyd Christopher Leonard Hollenberg, Victoria, AU;
Qucor Pty. Ltd., , AU;
Abstract
This invention concerns quantum computers in which the qubits are closed systems, in that the particle or particles are confined within the structure. A 'site' can be produced by any method of confining an electron or other quantum particle, such as a dopant atom, a quantum dot, a cooper pair box, or any combination of these. In particular the invention concerns a closed three-site quantum particle system. The state in the third site is weakly coupled by coherent tunneling to the first and second states, so that the third state is able to map out the populations of the first and second states as its energy is scanned with respect to the first and second states. In second and third aspects it concerns a readout method for a closed three-state quantum particle system.