A CSRR-based superconducting parametric amplifier achieves 30 dB gain and 1.2 half-quanta added noise at 400 mK across four K-band resonances.
The resonance used for this set of measurements was Res- onance 2 in Figure 6, with a center frequency of≃24.490 GHz
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A cm-wave quantum noise limited resonant superconducting parametric amplifier
A CSRR-based superconducting parametric amplifier achieves 30 dB gain and 1.2 half-quanta added noise at 400 mK across four K-band resonances.