Extraordinary electron transmission through a periodic array of quantum dots

Abstract

We study electron transmission through a periodic array of quantum dots (QD) sandwiched between doped semiconductor leads. When the Fermi wavelength of tunneling electron exceeds the array lattice constant, the off-resonant per QD conductance is enhanced by several orders of magnitude relative to the single-QD conductance. The physical mechanism of the enhancement is delocalization of a small fraction of system eigenstates caused by coherent coupling of QDs via the electron continuum in the leads.

4 pages, 3 figures

References in corpus (2)

• Colloquium: Light scattering by particle and hole arrays
• Aharonov-Bohm Oscillations Changed by Indirect Interdot Tunneling via Electrodes in Parallel-Coupled Vertical Double Quantum Dots

Cited by in corpus (5)

• The dark side of energy transport along excitonic wires: On-site energy barriers facilitate efficient, vibrationally-mediated transport through optically dark subspaces
• Principles underlying efficient exciton transport unveiled by information-geometric analysis
• Tracking electron pathways with magnetic field: Aperiodic Aharonov-Bohm oscillations in coherent transport through a periodic array of quantum dots
• Tunable Fano and Dicke effects in quantum transport of double quantum dots sandwiched between topological insulators
• Strong coupling regime in coherent electron transport in periodic quantum nanostructures