The Square Kilometre Array (SKA) will be an ultrasensitive radio telescope, built to further
the understanding of the most important phenomena in the Universe, including some …

Superconducting detectors will play an increasingly significant role in astrophysics,
especially at millimeter through far-IR wavelengths, where the scientific opportunities …

Abstract The Arcminute Microkelvin Imager is a pair of interferometer arrays operating with
six frequency channels spanning 13.9–18.2 GHz, for observations on angular scales of 30 …

This is a review of developments and milestones in the FET and HFET field, including
experimental results compared to model predictions. The noise performance of cryogenic …

In almost 30 years of operation, the Very Large Array (VLA) has proved to be a remarkably
flexible and productive radio telescope. However, the basic capabilities of the VLA have …

2010 marked the 30th anniversary of the High-Electron Mobility Transistor (HEMT). The
HEMT represented a triumph for the, at the time, relatively new concept of bandgap …

Summary 2020 marked the 40th anniversary of the High‐Electron Mobility Transistor
(HEMT). The HEMT represented a triumph for the, at the time, relatively new concept of …

This paper demonstrates a passive, integrated electro-optic receiver for detection of free-
space microwave radiation. Unlike a traditional microwave receiver, which relies on …

We report precision measurements of the effective input noise temperature of a cryogenic
(liquid-helium temperature) monolithic-microwave integrated-circuit amplifier at the amplifier …

This article reports on the first step in a focused program to reoptimize radio astronomy
receiver architecture to better take advantage of the latest advancements in commercial …