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2019

Methods for Measuring Magnetic Flux Crosstalk Between Tunable Transmons

Abrams, Deanna M., Didier, Nicolas, Caldwell, Shane A. et al.

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In the gate model of quantum computing, a program is typically decomposed into a sequence of 1- and 2-qubit gates that are realized as control pulses acting on the system.

A key requirement for a scalable control system is that the qubits are addressable - that control pulses act only on the targeted qubits.
The presence of control crosstalk makes this addressability requirement difficult to meet.
In order to provide metrics that can drive requirements for decreasing crosstalk, we present three measurements that directly quantify the DC and AC flux crosstalk present between tunable transmons, with sensitivities as fine as 0.001%.

Methods for Measuring Magnetic Flux Crosstalk Between Tunable Transmons · Around

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