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Unipolar magnetic field pulses as an advantageous tool for ultrafast operations in superconducting Josephson “atoms”

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A theoretical approach to the consistent full quantum description of the ultrafast population transfer and magnetization reversal in superconducting meta-atoms induced by picosecond unipolar pulses of a magnetic field is… Click to show full abstract

A theoretical approach to the consistent full quantum description of the ultrafast population transfer and magnetization reversal in superconducting meta-atoms induced by picosecond unipolar pulses of a magnetic field is developed. A promising scheme based on the regime of stimulated Raman Λ-type transitions between qubit states via upper-lying levels is suggested in order to provide ultrafast quantum operations on the picosecond time scale. The experimental realization of a circuit-on-chip for the discussed ultrafast control is presented.

Keywords: unipolar magnetic; field; advantageous tool; field pulses; pulses advantageous; magnetic field

Journal Title: Beilstein Journal of Nanotechnology
Year Published: 2019

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