Intersubband Transitions in an Asymmetric Quantum Well with a Thin Barrier of a Delta-Function Potential
Abstract
The changes in the bound-state energies and oscillator strength for intersubband transitions brought about by a thin barrier in the middle of an asymmetric quantum well height approaches the bound-state energies. It is found that the oscillator strength goes through a slight change as the barrier height approaches the ground-state energy but an abrupt change when it approaches the excited bound-state energy. A suitable explanation for this change is provided. A similar tailoring of the intersubband transitions is also achieved by placing a delta-function potential in the vicinity of the middle of the well but without any abrupt change in the oscillator strength. Keywords: Quantum well; Intersubband transitions; Thin barrier; Delta function potential; Oscillator strengths theory.
Document Details
- Document Type
- Technical Report
- Publication Date
- Apr 01, 1990
- Accession Number
- ADA220723
Entities
People
- L. N. Pandey
- M. L. Rustgi
- Thomas F. George
Organizations
- University at Buffalo