Photon-Assisted Electron Transmission through a Quantum Point Contact

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1 Citation (Scopus)


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
Issue number5
Publication statusPublished - 1 Sep 2019


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


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