Time-resolved sensing of electromagnetic fields with single-electron interferometry

Fuente: arXiv
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Autores principales: Bartolomei, Hugo, Frigerio, Elric, Ruelle, Mélanie, Rebora, Giacomo, Jin, Yong, Gennser, Ulf, Cavanna, Antonella, Baudin, Emmanuel, Berroir, Jean-Marc, Safi, Ines, Degiovanni, Pascal, Ménard, Gerbold C., Fève, Gwendal
Formato: Preprint
Publicado: 2024
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author Bartolomei, Hugo
Frigerio, Elric
Ruelle, Mélanie
Rebora, Giacomo
Jin, Yong
Gennser, Ulf
Cavanna, Antonella
Baudin, Emmanuel
Berroir, Jean-Marc
Safi, Ines
Degiovanni, Pascal
Ménard, Gerbold C.
Fève, Gwendal
author_facet Bartolomei, Hugo
Frigerio, Elric
Ruelle, Mélanie
Rebora, Giacomo
Jin, Yong
Gennser, Ulf
Cavanna, Antonella
Baudin, Emmanuel
Berroir, Jean-Marc
Safi, Ines
Degiovanni, Pascal
Ménard, Gerbold C.
Fève, Gwendal
contents Characterizing quantum states of the electromagnetic field at microwave frequencies requires fast and sensitive detectors that can simultaneously probe the field time-dependent amplitude and its quantum fluctuations. In this work, we demonstrate a quantum sensor that exploits the phase of a single electron wavefunction, measured in an electronic Fabry-Perot interferometer, to detect a classical time-dependent electric field. The time resolution, limited by the temporal width of the electronic wavepacket, is a few tens of picoseconds. The interferometry technique provides a voltage resolution of a few tens of microvolts, corresponding to a few microwave photons. Importantly, our detector simultaneously probes the amplitude of the field from the phase of the measured interference pattern and its fluctuations from the interference contrast. This capability paves the way for on-chip detection of quantum radiation, such as squeezed or Fock states.
format Preprint
id arxiv_https___arxiv_org_abs_2408_12903
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Time-resolved sensing of electromagnetic fields with single-electron interferometry
Bartolomei, Hugo
Frigerio, Elric
Ruelle, Mélanie
Rebora, Giacomo
Jin, Yong
Gennser, Ulf
Cavanna, Antonella
Baudin, Emmanuel
Berroir, Jean-Marc
Safi, Ines
Degiovanni, Pascal
Ménard, Gerbold C.
Fève, Gwendal
Mesoscale and Nanoscale Physics
Quantum Physics
Characterizing quantum states of the electromagnetic field at microwave frequencies requires fast and sensitive detectors that can simultaneously probe the field time-dependent amplitude and its quantum fluctuations. In this work, we demonstrate a quantum sensor that exploits the phase of a single electron wavefunction, measured in an electronic Fabry-Perot interferometer, to detect a classical time-dependent electric field. The time resolution, limited by the temporal width of the electronic wavepacket, is a few tens of picoseconds. The interferometry technique provides a voltage resolution of a few tens of microvolts, corresponding to a few microwave photons. Importantly, our detector simultaneously probes the amplitude of the field from the phase of the measured interference pattern and its fluctuations from the interference contrast. This capability paves the way for on-chip detection of quantum radiation, such as squeezed or Fock states.
title Time-resolved sensing of electromagnetic fields with single-electron interferometry
topic Mesoscale and Nanoscale Physics
Quantum Physics
url https://arxiv.org/abs/2408.12903