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Open Quantum Systems Decoherence
Superconducting Qubits
Non-Demolition Dispersive Measurement of a Superconducting Qubit with a Microstrip SQUID Amplifier
arXiv
Authors: G. P. Berman, D. I. Kamenev, D. Kinion, V. I. Tsifrinovich
Year
2011
Paper ID
29438
Status
Preprint
Abstract Read
~2 min
Abstract Words
76
Citations
N/A
Abstract
We have studied the possibility of a single-shot non-demolition measurement of a superconducting qubit using a microstrip SQUID amplifier (MSA). The Johnson noise generated by all resistors in the MSA is taken into consideration. We show that a single-shot non-demolition measurement is possible with six photons in the measurement resonator. For a phase qubit inductively coupled to a measurement resonator we have obtained the expression for the mutual inductance required for measurement of the qubit state.
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- This paper contributes to the Superconducting Qubits research area in the Quantum Articles archive.
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- We have studied the possibility of a single-shot non-demolition measurement of a superconducting qubit using a microstrip SQUID amplifier (MSA).
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