Synchronization of Multiple Coupled rf-SQUID Flux Qubits

Details Synchronization of Multiple Coupled rf-SQUID Flux Qubits Synchronization of Multiple Coupled rf-SQUID Flux Qubits

2009-03-11

arxiv.org/abs/0903.1884v1

New J. Phys. 11, 123022 (2009)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

A practical strategy for synchronizing the properties of compound Josephson junction rf-SQUID qubits on a multiqubit chip has been demonstrated. The impacts of small ($\sim1%$) fabrication variations in qubit inductance and critical current can be minimized by the application of a custom tuned flux offset to the CJJ structure of each qubit. This strategy allows for simultaneous synchronization of the qubit persistent current and tunnel splitting over a range of external bias parameters that is relevant for the implementation of an adiabatic quantum processor.

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