Demonstration of a microwave SQUID multiplexer with pre-amplification from a kinetic inductance traveling-wave parametric amplifier

Michael R. Vissers; Maxime Malnou; Jiansong Gao; Johannes Hubmayr; Jordan Wheeler; J.A.B. Mates; Brad Dober; Gene Hilton; Leila Vale; Joel Ullom

doi:10.1117/12.2562877

13 December 2020 Demonstration of a microwave SQUID multiplexer with pre-amplification from a kinetic inductance traveling-wave parametric amplifier

Michael R. Vissers, Maxime Malnou, Jiansong Gao, Johannes Hubmayr, Jordan Wheeler, J.A.B. Mates, Brad Dober, Gene Hilton, Leila Vale, Joel Ullom

Author Affiliations +

Proceedings Volume 11453, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy X; 114530Z (2020) https://doi.org/10.1117/12.2562877
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only

Abstract

Kinetic inductance traveling-wave parametric amplifiers (KITs) are under development for the read out of large cryogenic detector arrays. We present new KIT designs based on 20nm NbTiN films patterned by use of standard optical photolithography. We report device gain, bandwidth, and noise properties, which approach the quantum limit. In addition, we demonstrate a KIT preamplifier with a microwave SQUID multiplexer. The improved input referred current noise, as compared to standard HEMT readout, opens up new possibilities for cryogenic receivers. We discuss these benefits.

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Michael R. Vissers, Maxime Malnou, Jiansong Gao, Johannes Hubmayr, Jordan Wheeler, J.A.B. Mates, Brad Dober, Gene Hilton, Leila Vale, and Joel Ullom "Demonstration of a microwave SQUID multiplexer with pre-amplification from a kinetic inductance traveling-wave parametric amplifier", Proc. SPIE 11453, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy X, 114530Z (13 December 2020); https://doi.org/10.1117/12.2562877

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