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The Effect of Parameter Variations on the Performance of the Josephson Travelling Wave Parametric Amplifiers
Searbhán Ó Peatáin, Tom Dixon, Phil J. Meeson +3
We have simulated the performance of the Josephson Travelling Wave Parametric Amplifier (JTWPA) based on the one-dimensional array of RF SQUIDs. Unlike the ideal model in which all…
Visualization of Oscillatory Electron Dynamics on the Surface of Liquid Helium
Hala Siddiq, Kostyantyn Nasyedkin, Kimitoshi Kono +4
We have measured signals induced in 5 Corbino electrodes by spontaneous oscillations of 2D surface electrons on liquid helium at 0.3\,K, with a perpendicular magnetic field a…
Optoelectrical nanomechanical resonators made from multilayered 2D materials
Joshoua Condicion Esmenda, Myrron Albert Callera Aguila, Jyh-Yang Wang +8
Studies involving nanomechanical motion have evolved from its detection and understanding of its fundamental aspects to its promising practical utility as an integral component of…
Fabry-Perot Interferometric Calibration of 2D Nanomechanical Plate Resonators
Myrron Albert Callera Aguila, Joshoua Condicion Esmenda, Jyh-Yang Wang +7
Displacement calibration of nanomechanical plate resonators presents a challenging task. Large nanomechanical resonator thickness reduces the amplitude of the resonator motion due…
Non-galvanic calibration and operation of a quantum dot thermometer
J. M. A. Chawner, S. Barraud, M. F. Gonzalez-Zalba +4
A cryogenic quantum dot thermometer is calibrated and operated using only a single non-galvanic gate connection. The thermometer is probed with radio-frequency reflectometry and ca…