SYSTEMS, DEVICES, AND METHODS FOR CONTROLLABLY COUPLING QUBITS
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United States of America Patent
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Issued Date -
Oct 2, 2008
app pub date -
Jan 22, 2008
filing date -
Jan 23, 2007
priority date (Note) -
Abandoned
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Abstract
A coupling system may include an rf-SQUID having a loop of superconducting material interrupted by a compound Josephson junction; and a first magnetic flux inductor configured to selectively provide a mutual inductance coupling the first magnetic flux inductor to the compound Josephson junction, wherein the loop of superconducting material positioned with respect to a first and second qubits to provide respective mutual inductance coupling therebetween. The coupling system may further include a second magnetic flux inductor configured to selectively provide a second magnetic flux inductor mutual inductance coupling the second magnetic flux inductor to the compound Josephson junction. A superconducting processor may include the coupling system and two or more qubits. A method may include providing the first, the second and the third mutual inductances.
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