Selective measurement of quantronium qubit states by using of mesoscopic non-linear oscillator

M. V. Denisenko; A. M. Satanin

doi:10.1117/12.2267131

30 December 2016 Selective measurement of quantronium qubit states by using of mesoscopic non-linear oscillator

M. V. Denisenko, A. M. Satanin

Proceedings Volume 10224, International Conference on Micro- and Nano-Electronics 2016; 102242Z (2016) https://doi.org/10.1117/12.2267131
Event: The International Conference on Micro- and Nano-Electronics 2016, 2016, Zvenigorod, Russian Federation

Abstract

We study the process of selective measurements of states of individual quantum systems - Josephson qubit – using nonlinear oscillator, working in the mesoscopic regime, when the number of quanta in the measuring process varies from a few dozen to a few hundred. Quantum Monte-Carlo method simulated dissipative dynamics of the system "qubit - oscillator" and the measurement process of a qubit state to modify the number of quanta of the oscillator. It is shown that for different Rabi-pulses of the recording state of a qubit the discrimination of states is possible, as well as the measurement of the effect of back-action of the measuring device, including separation of the prepared superposition state – carrying out statistical projective measurements.

Citation Download Citation

M. V. Denisenko and A. M. Satanin "Selective measurement of quantronium qubit states by using of mesoscopic non-linear oscillator", Proc. SPIE 10224, International Conference on Micro- and Nano-Electronics 2016, 102242Z (30 December 2016); https://doi.org/10.1117/12.2267131

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