Coherent control of single electrons: a review of current progress
In this report we review the present state of the art of the control of propagating quantum
states at the single-electron level and its potential application to quantum information …
states at the single-electron level and its potential application to quantum information …
Semiconductor-based electron flying qubits: review on recent progress accelerated by numerical modelling
The progress of charge manipulation in semiconductor-based nanoscale devices opened
up a novel route to realise a flying qubit with a single electron. In the present review, we …
up a novel route to realise a flying qubit with a single electron. In the present review, we …
Si/SiGe QuBus for single electron information-processing devices with memory and micron-scale connectivity function
R Xue, M Beer, I Seidler, S Humpohl, JS Tu… - Nature …, 2024 - nature.com
The connectivity within single carrier information-processing devices requires transport and
storage of single charge quanta. Single electrons have been adiabatically transported while …
storage of single charge quanta. Single electrons have been adiabatically transported while …
Demonstration of dual Shapiro steps in small Josephson junctions
F Kaap, C Kissling, V Gaydamachenko… - Nature …, 2024 - nature.com
Bloch oscillations in small Josephson junctions were predicted theoretically as the quantum
dual to Josephson oscillations. A significant consequence of this prediction is the …
dual to Josephson oscillations. A significant consequence of this prediction is the …
Roadmap on quantum nanotechnologies
Quantum phenomena are typically observable at length and time scales smaller than those
of our everyday experience, often involving individual particles or excitations. The past few …
of our everyday experience, often involving individual particles or excitations. The past few …
Evidence for universality of tunable-barrier electron pumps
We review recent precision measurements on semiconductor tunable-barrier electron
pumps operating in a ratchet mode. Seven studies on five different designs of pumps have …
pumps operating in a ratchet mode. Seven studies on five different designs of pumps have …
Precision measurement of an electron pump at 2 GHz; the frontier of small DC current metrology
A well-characterised sample of silicon tunable-barrier electron pump has been operated at a
frequency of 2 GHz using a custom drive waveform, generating a pump current of 320 pA …
frequency of 2 GHz using a custom drive waveform, generating a pump current of 320 pA …
The expanding role of National Metrology Institutes in the quantum era
The expanding role of National Metrology Institutes in the quantum era | Nature Physics Skip to
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Thermal-error regime in high-accuracy gigahertz single-electron pum**
Single-electron pumps based on semiconductor quantum dots are promising candidates for
the emerging quantum standard of electrical current. They can transfer discrete charges with …
the emerging quantum standard of electrical current. They can transfer discrete charges with …
Realisation of a quantum current standard at liquid helium temperature with sub-ppm reproducibility
SP Giblin, E Mykkänen, A Kemppinen, P Immonen… - Metrologia, 2020 - iopscience.iop.org
A silicon electron pump operating at the temperature of liquid helium has demonstrated
repeatable operation with sub-ppm accuracy. The pump current, approximately 168 pA, is …
repeatable operation with sub-ppm accuracy. The pump current, approximately 168 pA, is …