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:
Feb. 14, 2012
Filed:
Jul. 23, 2009
David Divincenzo, Yorktown Heights, NY (US);
George A. Keefe, Yorktown Heights, NY (US);
Shwetank Kumar, Yorktown Heights, NY (US);
Matthias Steffen, Yorktown Heights, NY (US);
David DiVincenzo, Yorktown Heights, NY (US);
George A. Keefe, Yorktown Heights, NY (US);
Shwetank Kumar, Yorktown Heights, NY (US);
Matthias Steffen, Yorktown Heights, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A method for measuring the quantum state of a resonator includes, exciting an input port of a circuit with signal, measuring a phase shift of the signal at an output port of the circuit, wherein the resonator is coupled to the input and the output ports, and calculating a quantum state of the resonator as a function of the measured phase shift of the signal.