Charge oscillations in coupled quantum wells

C. Juang*, C. B. Tsai, Juang Jonq

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

A study of charge oscillations due to electron- and hole-coherent, and mixing tunnelling in coupled quantum well structures is given. The time-dependent picture of coherent tunnelling of an electron and hole wave packet is obtained by the application of the time-development operator of the time-dependent Schrödinger equation, and the time-dependent Schrödinger equation with the Luttinger Hamiltonian. Detailed physical mechanisms involving resonant coherent tunnelling on electrons, valence-band mixing effects on heavy- and light-hole tunnelling, spatial and mixing multiple tunnelling effects, in coupled quantum wells are described.

Original languageEnglish
Pages (from-to)120-124
Number of pages5
JournalIEE Proceedings: Optoelectronics
Volume144
Issue number2
DOIs
StatePublished - 1 Jan 1997

Keywords

  • Coherent tunnelling
  • Coupled quantum wells

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