Biexcitonic effects in transient nonlinear optical experiments in quantum wells

Journal Article (Journal Article)

We present a model for the nonlinear optical response of quantum wells, which includes biexcitons. We show that within this model, the interaction of two laser pulses, mediated by the nonlinear susceptibility, results in oscillations and in coupling between σ+ and σ- excitons. This explains the temporal behavior of the differential absorption and four-wave mixing in recent experiments [Phys. Rev. Lett. 68, 349 (1992); 68, 1880 (1992)]. The oscillations have a frequency equal to the biexciton binding energy, and are different from known interference and quantum beat phenomena. © 1993 The American Physical Society.

Full Text

Duke Authors

Cited Authors

  • Finkelstein, G; Bar-Ad, S; Carmel, O; Bar-Joseph, I; Levinson, Y

Published Date

  • January 1, 1993

Published In

Volume / Issue

  • 47 / 19

Start / End Page

  • 12964 - 12967

International Standard Serial Number (ISSN)

  • 0163-1829

Digital Object Identifier (DOI)

  • 10.1103/PhysRevB.47.12964

Citation Source

  • Scopus