Impact of Channel Mixing on the Visibility of Two-particle Interferometry in Quantum Hall Edge States
arXiv:2209.14813 · doi:10.7566/JPSCP.38.011174
Abstract
We consider a two-particle interferometer, where voltage sources applied to ohmic contacts inject electronic excitations into a pair of copropagating edge channels. We analyze the impact of channel mixing due to inter-edge tunneling on the current noise measured at the output of the interferometer. Due to this mixing, the noise suppression typically expected for synchronized injecting sources is incomplete, thereby reducing the visibility of the interference. We investigate to which extent the impact of mixing on the noise visibility depends on different shapes of the voltage drives. Furthermore, we compare a simple model involving a single mixing point between the sources and the quantum point contact to the more realistic case of a continuous distribution of weak mixing points.
7 pages, 3 figures; accepted for publication in the proceedings of the LT29 Conference (Sapporo, Japan)
References in corpus (12)
- An On-Demand Coherent Single Electron Source
- Coherence and Indistinguishability of Single Electrons Emitted by Independent Sources
- Hong-Ou-Mandel experiment for temporal investigation of single electron fractionalization
- Shot noise of a mesoscopic two-particle collider
- Electron quantum optics in quantum Hall edge channels
- Photon-assisted electron-hole shot noise in multi-terminal conductors
- Electron and hole Hong-Ou-Mandel interferometry
- Decoherence and relaxation of a single electron in a one dimensional conductor
- Anyons in Quantum Hall Interferometry
- Two-particle time-domain interferometry in the Fractional Quantum Hall Effect regime
- Influence of channel mixing in fermionic Hong-Ou-Mandel experiments
- Semiconductor-based electron flying qubits: Review on recent progress accelerated by numerical modelling