In situ
characterization of qubit-drive phase distortions
M.F. Gely,
J.M.A. Litarowicz,
A.D. Leu
et al.
Abstract:Reducing errors in quantum gates is critical to the development of quantum computers. To do so, any distortions in the control signals should be identified; however, conventional tools are not always applicable when part of the system is under high vacuum, cryogenic, or microscopic. Here, we demonstrate a method to detect and compensate for amplitude-dependent phase changes, using the qubit itself as a probe. The technique is implemented using a microwave-driven trapped-ion qubit, where correcting phase distor… Show more
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