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Figure 9 | EPJ Quantum Technology

Figure 9

From: The circuit quantum electrodynamical Josephson interferometer

Figure 9

Ratio of quantum fluctuations to the coherent background excitation number for the two outer resonators, 〈 δ a ˆ 1 † δ a ˆ 1 〉/| α 1 | 2 =〈 δ a ˆ 3 † δ a ˆ 3 〉/| α 3 | 2 as a function of J/γ and U/γ , (a) Ω/γ=5 , (b)  Ω/γ=10 .

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