Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1554674 | Superlattices and Microstructures | 2010 | 5 Pages |
Abstract
We report on the strong coupling between surface plasmons and inorganic quantum well excitons. The sample is formed by a corrugated silver film deposited on the top of a heterostructure consisting of five GaAs/GaAlAs quantum wells grown by molecular beam epitaxy. Reflectometry experiments at low temperature (77 K) evidence the formation of plasmon/heavy-hole exciton/light-hole exciton mixed states. The interaction energies, deduced by fitting the experimental data with a coupled oscillator model, amount to 22 meV for the plasmon/light-hole exciton and 21 meV for the plasmon/heavy-hole exciton. Some particularities of the plasmon–exciton coupling are also discussed and qualitatively related to the plasmon polarization.
Keywords
Related Topics
Physical Sciences and Engineering
Materials Science
Electronic, Optical and Magnetic Materials
Authors
Clémentine Symonds, Joel Bellessa, Jean-Claude Plenet, Edmond Cambril, Audrey Miard, Laurence Ferlazzo, Aristide Lemaître,