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Quantum Dot-Based Parametric Amplifiers
- Publication Year :
- 2021
-
Abstract
- Josephson parametric amplifiers (JPAs) approaching quantum-limited noise performance have been instrumental in enabling high fidelity readout of superconducting qubits and, recently, semiconductor quantum dots (QDs). We propose that the quantum capacitance arising in electronic two-level systems (the dual of Josephson inductance) can provide an alternative dissipation-less non-linear element for parametric amplification. We experimentally demonstrate phase-sensitive parametric amplification using a QD-reservoir electron transition in a CMOS nanowire split-gate transistor embedded in a 1.8~GHz superconducting lumped-element microwave cavity, achieving parametric gains of -3 to +3 dB, limited by Sisyphus dissipation. Using a semi-classical model, we find an optimised design within current technological capabilities could achieve gains and bandwidths comparable to JPAs, while providing complementary specifications with respect to integration in semiconductor platforms or operation at higher magnetic fields.<br />7 pages, 4 figures
- Subjects :
- electron
noise
FOS: Physical sciences
magnetic field
Applied Physics (physics.app-ph)
cavity
parametric
microwaves
[PHYS.QPHY]Physics [physics]/Quantum Physics [quant-ph]
Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
[PHYS.COND]Physics [physics]/Condensed Matter [cond-mat]
qubit
[PHYS]Physics [physics]
Quantum Physics
Condensed Matter - Mesoscale and Nanoscale Physics
superconductivity
quantum dot
high
dissipation
Physics - Applied Physics
semiconductor
amplifier
duality
readout
nonlinear
semiconductor detector
Quantum Physics (quant-ph)
performance
Subjects
Details
- Language :
- English
- Database :
- OpenAIRE
- Accession number :
- edsair.doi.dedup.....0f000417414a05d76f25bb42637e47b2