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https://cris.vtt.fi/en/publications/josephson-parametric-amplifiers-fabricated-in-wafer-scale-with-si-2/ Josephson Parametric Amplifiers Fabricated in Wafer-scale with Side-wall Passivated Spacer Junction... parametric amplifiersside walljosephsonfabricatedwafer https://cris.vtt.fi/en/publications/josephson-parametric-amplifiers-fabricated-in-wafer-scale-with-si/ Josephson Parametric Amplifiers Fabricated in Wafer-scale with Side-wall Passivated Spacer Junction... parametric amplifiersside walljosephsonfabricatedwafer