Ultra-Wide Intermediate Bandwidth for High-Frequency SIS Mixers


We present a simple method for widening the Intermediate frequency (IF) bandwidth of high frequency superconductor-insulator-superconductor (SIS) mixers. The method only requires a mixer with a single ~1 μ m2 tunnel junction and an IF transformer fabricated with standard printed circuit board technology, avoiding the complexity of requiring several very… (More)

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