NbN kinetic-inductance parametric amplifier achieves 23 GHz operation with 40 dB gain, 100 MHz bandwidth product, and noise ≤1.4 quanta.
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A K-band Kinetic Inductance Parametric Amplifier Near the Quantum Limit
NbN kinetic-inductance parametric amplifier achieves 23 GHz operation with 40 dB gain, 100 MHz bandwidth product, and noise ≤1.4 quanta.