Fig. 5: Two strategies for photon number calibration. | Nature Communications

Fig. 5: Two strategies for photon number calibration.

From: Fast generation of Schrödinger cat states using a Kerr-tunable superconducting resonator

Fig. 5: Two strategies for photon number calibration.The alternative text for this image may have been generated using AI.

a Qubit spectroscopy under different pump pulse amplitudes. b Poisson fitting with an average photon number 1.92. c Linear relationship between displacement and pump amplitude. d Wigner function of a coherent state with α = 1.42. e Fitting of Wigner function (dashed gray line in (d)).

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