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Variable-frequency-controlled coupling in charge qubit circuits: Effects of microwave field on qubit-state readout

Xiao-Ling He·Yu-xi Liu·J. Q. You·Franco Nori
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Abstract

To implement quantum information processing, microwave fields are often used to manipulate superconuducting qubits. We study how the coupling between superconducting charge qubits can be controlled by variable-frequency magnetic fields. We also study the effects of the microwave fields on the readout of the charge-qubit states. The measurement of the charge-qubit states can be used to demonstrate the statistical properties of photons.

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Xiao-Ling He, Yu-xi Liu, J. Q. You, Franco Nori. 2007-03-16. Variable-frequency-controlled coupling in charge qubit circuits: Effects of microwave field on qubit-state readout. https://doi.org/10.1103/physreva.76.022317

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