activity
20212023
most citedSelf-heating of cryogenic high-electron-mobility transistor amplifiers and the limits of microwave noise performance

14 citations · 16 across the 4 of their papers we have counts for

collaborators

4 papers

physics.ins-det2023

Investigation of Cryogenic Current-Voltage Anomalies in SiGe HBTs: Role of Base-Emitter Junction Inhomogeneities

Nachiket R. Naik, Bekari Gabritchidze, Justin H. Chen +3

The deviations of cryogenic collector current-voltage characteristics of SiGe heterojunction bipolar transistors (HBTs) from ideal drift-diffusion theory have been a topic of inves…

cond-mat.mes-hall2022★ 2 cited

Experimental Investigation of Drain Noise in High Electron Mobility Transistors: Thermal and Hot Electron Noise

Bekari Gabritchidze, Kieran A. Cleary, Anthony C. Readhead +1

We report the on-wafer characterization of -parameters and microwave noise temperature () of discrete metamorphic InGaAs high electron mobility transistors (mHEMTs) at 4…

physics.ins-det2022★ 14 cited

Self-heating of cryogenic high-electron-mobility transistor amplifiers and the limits of microwave noise performance

Anthony J. Ardizzi, Alexander Y. Choi, Bekari Gabritchidze +4

The fundamental limits of the microwave noise performance of high electron mobility transistors (HEMTs) are of scientific and practical interest for applications in radio astronomy…

cond-mat.mes-hall2021

Characterization of self-heating in cryogenic high electron mobility transistors using Schottky thermometry

Alexander Y. Choi, Iretomiwa Esho, Bekari Gabritchidze +2

Cryogenic low noise amplifiers based on high electron mobility transistors (HEMTs) are widely used in applications such as radio astronomy, deep space communications, and quantum c…