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Superconducting Qubits
Landau-Zener-Stückelberg Spectroscopy of a Superconducting Flux Qubit
arXiv
Authors: Shuang Xu, Guozhu Sun, Yang Yu
Year
2010
Paper ID
11176
Status
Preprint
Abstract Read
~2 min
Abstract Words
89
Citations
N/A
Abstract
We proposed a new method to measure the energy spectrum of a superconducting flux qubit. Different from the conventional frequency spectroscopy, a short triangle pulse is used to drive the qubit through the anticrossing and generates Landau-Zener-Stückelberg interference patterns, from which the information of the energy spectrum can be extracted. Without installing microwave lines one can simplify the experimental setup and reduce the unwanted effects of noise. Moreover, the method can be applied to other quantum systems, opening the possibility of calibrating and manipulating qubits with linear pulses.
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- This paper contributes to the Superconducting Qubits research area in the Quantum Articles archive.
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- We proposed a new method to measure the energy spectrum of a superconducting flux qubit.
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