Charging and energy fluctuations of a driven quantum battery

A Crescente, M Carrega, M Sassetti… - New Journal of …, 2020 - iopscience.iop.org
We consider a quantum battery modelled as a set of N independent two-level quantum
systems driven by a time dependent classical source. Different figures of merit, such as …

Observation of edge magnetoplasmon squeezing in a quantum Hall conductor

H Bartolomei, R Bisognin, H Kamata, JM Berroir… - Physical Review Letters, 2023 - APS
Squeezing of the quadratures of the electromagnetic field has been extensively studied in
optics and microwaves. However, previous works focused on the generation of squeezed …

Processing quantum signals carried by electrical currents

B Roussel, C Cabart, G Fève, P Degiovanni - PRX Quantum, 2021 - APS
Recent developments in the coherent manipulation of electrons in ballistic conductors
include the generation of time-periodic electrical currents involving one to few electronic …

Levitons in helical liquids with Rashba spin-orbit coupling probed by a superconducting contact

F Ronetti, M Carrega, M Sassetti - Physical Review Research, 2020 - APS
We consider transport properties of a single edge of a two-dimensional topological insulator,
in presence of Rashba spin-orbit coupling, driven by two external time-dependent voltages …

Collisional interferometry of levitons in quantum Hall edge channels at

G Rebora, M Acciai, D Ferraro, M Sassetti - Physical Review B, 2020 - APS
We consider a Hong-Ou-Mandel interferometer for Lorentzian voltage pulses applied to
quantum Hall edge channels at filling factor ν= 2. Due to interedge interactions, the injected …

Levitons in superconducting point contacts

M Acciai, F Ronetti, D Ferraro, J Rech, T Jonckheere… - Physical Review B, 2019 - APS
We investigate the transport properties of a superconducting quantum point contact in the
presence of an arbitrary periodic drive. In particular, we calculate the DC current and noise …

Hong-Ou-Mandel heat noise in the quantum Hall regime

F Ronetti, L Vannucci, D Ferraro, T Jonckheere, J Rech… - Physical Review B, 2019 - APS
We investigate heat current fluctuations induced by a periodic train of Lorentzian-shaped
pulses, carrying an integer number of electronic charges, in a Hong-Ou-Mandel (HOM) …

Probing interactions via nonequilibrium momentum distribution and noise in integer quantum Hall systems at

M Acciai, M Carrega, J Rech, T Jonckheere, T Martin… - Physical Review B, 2018 - APS
We consider the excitation of single-electron wave packets by means of a time-dependent
voltage applied to the ballistic edge channels of the integer quantum Hall effect at filling …

Suppression of the radiation squeezing in interacting quantum Hall edge channels

G Rebora, D Ferraro, M Sassetti - New Journal of Physics, 2021 - iopscience.iop.org
We study the quantum fluctuations of the two quadratures of the emitted electromagnetic
radiation generated by a quantum Hall device in a quantum point contact geometry. In …

Spectral properties of interacting helical channels driven by Lorentzian pulses

M Acciai, A Calzona, M Carrega, T Martin… - New Journal of …, 2019 - iopscience.iop.org
Precise sha** of coherent electron sources allows the controlled creation of wavepackets
into a one dimensional (1D) quantum conductor. Periodic trains of Lorentzian pulses have …