Theory and technology of SPASERs
M Premaratne, MI Stockman - Advances in Optics and Photonics, 2017 - opg.optica.org
Spaser is an acronym for surface plasmon amplification by stimulated emission of radiation.
A spaser is effectively a nanoscale laser with subwavelength dimensions and a low-Q …
A spaser is effectively a nanoscale laser with subwavelength dimensions and a low-Q …
Non-adiabatic quantized charge pum** 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 …
practical applications of their most basic quantum property—the universality and invariance …
Shuttling a single charge across a one-dimensional array of silicon quantum dots
Significant advances have been made towards fault-tolerant operation of silicon spin qubits,
with single qubit fidelities exceeding 99.9%, several demonstrations of two-qubit gates …
with single qubit fidelities exceeding 99.9%, several demonstrations of two-qubit gates …
Photoelectrical imaging and coherent spin-state readout of single nitrogen-vacancy centers in diamond
P Siyushev, M Nesladek, E Bourgeois, M Gulka… - Science, 2019 - science.org
Nitrogen-vacancy (NV) centers in diamond have become an important instrument for
quantum sensing and quantum information science. However, the readout of NV spin state …
quantum sensing and quantum information science. However, the readout of NV spin state …
Ultrastable low-noise current amplifier: A novel device for measuring small electric currents with high accuracy
D Drung, C Krause, U Becker, H Scherer… - Review of Scientific …, 2015 - pubs.aip.org
An ultrastable low-noise current amplifier (ULCA) is presented. The ULCA is a non-
cryogenic instrument based on specially designed operational amplifiers and resistor …
cryogenic instrument based on specially designed operational amplifiers and resistor …
Gigahertz single-electron pum** 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 pum** of a single electron is crucial for realizing an
accurate current source, which is a promising candidate for a quantum current standard …
accurate current source, which is a promising candidate for a quantum current standard …
Validation of a quantized-current source with 0.2 ppm uncertainty
We report on high-accuracy measurements of quantized current, sourced by a tunable-
barrier single-electron pump at frequencies f up to 1 GHz. The measurements were …
barrier single-electron pump at frequencies f up to 1 GHz. The measurements were …
Robustness of single-electron pumps at sub-ppm current accuracy level
F Stein, H Scherer, T Gerster, R Behr, M Götz… - Metrologia, 2016 - iopscience.iop.org
We report on characterizations of single-electron pumps at the highest accuracy level,
enabled by improvements of the small-current measurement technique. With these …
enabled by improvements of the small-current measurement technique. With these …
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 …