Edge magnetoplasmon resonator

A Hall island can be used as a resonator in the microwave domain. This island can be measured by adding capacitvely couplet gates to the island.

Published in Physics

Go to the profile of Gerbold Ménard
Gerbold Ménard
Researcher, CNRS LPENS
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Nature
Nature Nature

Gate tunable edge magnetoplasmon resonators - Communications Physics

Edge-magnetoplasmon interferometers have been proposed as a tool to investigate anyonic properties of quasiparticles in the regime of the Fractional Quantum Hall effect. In this work, the authors demonstrate the possibility to control electrostatically the resonance frequency of EMP resonators of micrometric size and explain the role of gates, paving the way toward the realization of anyonic interferometers.

Edge MagnetoPlasmons (EMP) are excitations of edge states in the quantum Hall effect. In the context of a Hall droplet, these edge states loop onto themselves and resonate in the microwave regime. We can probe this resonance by measuring the microwave transmission of the droplet. In our recent publication we have probed these resonances by measuring the transmission across such droplet. This video presents a schematic view of the interaction between excitation and detection gates and the EMPs in a micrometric Hall island.

Go to the profile of Gerbold Ménard
Gerbold Ménard
Researcher, CNRS LPENS

Follow the Topic

Quantum Hall Effect
Physical Sciences > Physics and Astronomy > Condensed Matter Physics > Semiconductors > Quantum Hall Effect

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