Non-adiabatic quantized charge pumping with tunable-barrier quantum dots: a review of current progress

B Kaestner, V Kashcheyevs - Reports on Progress in Physics, 2015 - iopscience.iop.org
Precise manipulation of individual charge carriers in nanoelectronic circuits underpins
practical applications of their most basic quantum property—the universality and invariance …

A review of the quantum current standard

NH Kaneko, S Nakamura… - Measurement Science and …, 2016 - iopscience.iop.org
The electric current, voltage, and resistance standards are the most important standards
related to electricity and magnetism. Of these three standards, only the ampere, which is the …

Gigahertz single-electron pumping in silicon with an accuracy better than 9.2 parts in 107

G Yamahata, SP Giblin, M Kataoka, T Karasawa… - Applied Physics …, 2016 - pubs.aip.org
High-speed and high-accuracy pumping of a single electron is crucial for realizing an
accurate current source, which is a promising candidate for a quantum current standard …

High-accuracy current generation in the nanoampere regime from a silicon single-trap electron pump

G Yamahata, SP Giblin, M Kataoka, T Karasawa… - Scientific Reports, 2017 - nature.com
A gigahertz single-electron (SE) pump with a semiconductor charge island is promising for a
future quantum current standard. However, high-accuracy current in the nanoampere regime …

Ultrafast emission and detection of a single-electron Gaussian wave packet: a theoretical study

S Ryu, M Kataoka, HS Sim - Physical Review Letters, 2016 - APS
Generating and detecting a prescribed single-electron state is an important step towards
solid-state fermion optics. We propose how to generate an electron in a Gaussian state …

Precision measurement of a potential-profile tunable single-electron pump

MH Bae, YH Ahn, M Seo, Y Chung, JD Fletcher… - Metrologia, 2015 - iopscience.iop.org
We performed a precision measurement of the current from a single-parameter electron
pump, where the potential-profile for a quantum dot was manipulated by multiple top-metal …

Robust operation of a GaAs tunable barrier electron pump

SP Giblin, MH Bae, N Kim, YH Ahn, M Kataoka - Metrologia, 2017 - iopscience.iop.org
We demonstrate the robust operation of a gallium arsenide tunable-barrier single-electron
pump operating with 1 part-per-million accuracy at a temperature of 1.3 K and a pumping …

Advances toward high-accuracy operation of tunable-barrier single-hole pumps in silicon

G Yamahata, A Fujiwara - Journal of Applied Physics, 2024 - pubs.aip.org
Precise and reproducible current generation is the key to realizing quantum current
standards in metrology. A promising candidate is a tunable-barrier single-charge pump …

Precision measurement of single-electron current with quantized Hall array resistance and Josephson voltage

MH Bae, DH Chae, MS Kim, BK Kim, SI Park, J Song… - Metrologia, 2020 - iopscience.iop.org
A single electron pump was incorporated with a quantum Hall resistance and a Josephson
voltage for the current evaluation in the framework of Ohm's law. The pump current of about …

[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 …