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We utilize a superconducting stripline resonator containing a dc-SQUID as astrong intermodulation amplifier exhibiting a signal gain of 25 dB and a phasemodulation of 30 dB. Studying the system response in the time domain near theintermodulation amplification threshold reveals a unique noise-induced spikesbehavior. We account for this response qualitatively via solving numericallythe equations of motion for the integrated system. Furthermore, employing thisdevice as a parametric amplifier yields a gain of 38 dB in the generatedside-band signal.

Phase sensitive amplification in a superconducting stripline resonator integrated with a dc-SQUID