Abstract
Femtosecond two beam and three beam (ω1,ω1ω2) four-wave mixing (FWM) experiments on GaAs quantum wells have been performed using two partially synchronized, independently tunable lasers with external jitter compensation. Heavy and light hole beatings are observed with these two mutually incoherent lasers. FWM signals are observed when ω2 is completely below the exciton energies, with no spectral overlap with the absorption profile. These off-resonant signals are stronger than the interband continuum signals for equivalent detunings.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 4803-4806 |
| Number of pages | 4 |
| Journal | Physical review letters |
| Volume | 80 |
| Issue number | 21 |
| DOIs | |
| State | Published - Jan 1 1998 |
ASJC Scopus subject areas
- Physics and Astronomy(all)
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Kim, D. S., Sohn, J. Y., Yahng, J. S., Ahn, Y. H., Yee, K. J., Yee, D. S., Jho, Y. D., Hohng, S. C., Kim, D. H., Kim, W. S., Woo, J. C., Meier, T., Koch, S. W., Woo, D. H., Kim, E. K., Kim, S. H., & Kim, C. S. (1998). Femtosecond four-wave mixing experiments on GaAs quantum wells using two independently tunable lasers. Physical review letters, 80(21), 4803-4806. https://doi.org/10.1103/PhysRevLett.80.4803