Photon-Assisted Electron Transmission through a Quantum Point Contact

Research output: Contribution to journalArticlepeer-review

Abstract

The theory of coherent photon-assisted electron transmission through a one-dimensional smooth barrier is successfully used to model the results of measuring the terahertz photoconductivity of a tunneling point contact in a two-dimensional electron gas. For this barrier in a deeper tunneling mode, photon steps in the curve of the transmission coefficient versus initial electron energy were found. Their position is determined by the terahertz photon energy.

Original languageEnglish
Pages (from-to)480-487
Number of pages8
JournalOptoelectronics, Instrumentation and Data Processing
Volume55
Issue number5
DOIs
Publication statusPublished - 1 Sep 2019

Keywords

  • dynamic potential
  • nonstationary Schrodinger equation
  • one-dimensional barrier
  • tunnel point contact
  • two-dimensional electron gas

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