Trapping of cold excitons in quantum well structures with laser light

Phys Rev Lett. 2006 Jun 9;96(22):227402. doi: 10.1103/PhysRevLett.96.227402. Epub 2006 Jun 8.


Optical trapping and manipulation of neutral particles has led to a variety of experiments from stretching DNA-molecules to trapping and cooling of neutral atoms. An exciting recent outgrowth of the technique is an experimental implementation of atom Bose-Einstein condensation. In this Letter, we propose and demonstrate laser-induced trapping for a new system--a gas of excitons in quantum well structures. We report on the trapping of a highly degenerate Bose gas of excitons in laser-induced traps.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Biophysics / methods*
  • DNA / chemistry
  • Lasers*
  • Models, Chemical*
  • Quantum Theory*


  • DNA