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Figure 3 | EPJ Quantum Technology

Figure 3

From: Gain, noise and intermodulation in a nonlinear superconducting resonator

Figure 3

Frequency response of the parametric amplifier with the pump turned off and the pump turned on. The pump frequency is f p =7.6069 GHz which is 1.55 MHz below the resonant frequency of the resonator in the linear regime. The pump power is −83.8 dBm at the input of the sample box. The red line is a fit to the theory made by adjusting the strength of the Kerr nonlinearity.

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