Abstract
In optical experiments with laterally patterned GaAs quantum wells we observe confinement of free carriers to motion in one dimension. Optical recombination of band-gap transitions shows that free electrons and holes are confined in spatially indirect type-II multiple quantum wires. Resonant-inelastic-light-scattering spectra show intersubband excitations of the one-dimensional electron gas. From the optical measurements we obtain the Fermi energy as well as subband spacing and determine the linear free-electron density.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 1641-1644 |
| Number of pages | 4 |
| Journal | Physical review letters |
| Volume | 63 |
| Issue number | 15 |
| DOIs | |
| State | Published - 1989 |
| Externally published | Yes |
All Science Journal Classification (ASJC) codes
- General Physics and Astronomy