[HTML][HTML] Tuning current plateau regions in parallelized single-electron pumps

BK Kim, BS Yu, SI Park, J Song, N Kim, MH Bae - AIP Advances, 2022 - pubs.aip.org
The parallelization of single-electron pumps is a promising method to increase the
quantized current level produced from a semiconductor-based single-electron system. In the …

Fast characterization of multiplexed single-electron pumps with machine learning

N Schoinas, Y Rath, S Norimoto, W Xie, P See… - arXiv preprint arXiv …, 2024 - arxiv.org
We present an efficient machine learning based automated framework for the fast tuning of
single-electron pump devices into current quantization regimes. It uses a sparse …

[HTML][HTML] Extension of quantized-current plateaus in tunable-barrier single-electron pumps through charge screening of the electrostatic field

BK Kim, YS Ghee, W Park, SI Park, J Song, MH Bae - AIP Advances, 2024 - pubs.aip.org
The quantized current steps produced by a dynamic quantum dot (QD) operated with an
external rf signal follow the relation I= nef, where n is the number of electrons captured in the …

Fidelity of counting the transferred electrons in a GaAs-based monolithic single-electron pump and transistor system with a charge-lock feedback circuit

YS Ghee, BK Kim, SI Park, J Song, WS Kim… - Applied Physics …, 2023 - pubs.aip.org
We developed an electron-counting technique for a self-referenced single-electron
quantized current source of a single-electron-pump system and investigated the fidelity of …

[HTML][HTML] Current-reversal operation for a single-parameter electron pump by control of semiconductor-based cryo-switch gate potentials

BS Yu, BK Kim, SI Park, J Song, HK Choi, SU Cho… - AIP Advances, 2019 - pubs.aip.org
The reversal technique in electrical measurements has been generally used to obtain a
genuine value of an interesting physical quantity without unwanted signal offset. In the …

rf-Signal-induced heating effects in single-electron pumps composed of gate-tunable quantum dots

S Ryu, HS Sim, YS Ghee, BK Kim, MH Bae, N Kim… - Physical Review B, 2021 - APS
From both a fundamental viewpoint and the perspective of wave-function engineering of an
electron pumped by single-electron sources, it is important to understand how an electron …

Redefinition and Realization of ampere by Fixing the Numerical Value of the Elementary Charge e

김남, 배명호, 안예환, 김완섭, 채동훈… - Journal of the Korean …, 2018 - dbpia.co.kr
It is often overlooked that so far, there has been inconsistency between the definition of the
ampere in SI units and its realization. For instance, the ampere is defined based on the …