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Rabi Oscillations in a Josephson-Junction Charge Two-Level System

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Article number246601
<mark>Journal publication date</mark>27/11/2001
<mark>Journal</mark>Physical review letters
Issue number24
Number of pages4
Publication StatusPublished
<mark>Original language</mark>English


We investigated temporal behavior of an artificial two-level system driven by a strong oscillating field; namely, quantum-state evolution between two charge states in a small Josephson-junction circuit irradiated with microwaves. Rabi oscillations corresponding to 0-, 1-, and 2-photon resonances were observed. As a function of microwave amplitude, the Rabi frequencies followed a first-kind Bessel function of the corresponding order to the number of photons.