Room-temperature optical nonlinearities in GaAs

Y. H. Lee, A. Chavez-Pirson, S. W. Koch, H. M. Gibbs, S. H. Park, J. Morhange, A. Jeffery, N. Peyghambarian, L. Banyai, A. C. Gossard, W. Wiegmann

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223 Scopus citations

Abstract

We report the first systematic study of the frequency dependence of optical nonlinearities of bulk GaAs at room temperature. In contrast to the previous understanding, band filling and plasma screening of Coulomb enhancement of continuum states are found to be the dominant contributions to the dispersive optical nonlinearities under quasi steady-state excitations. The partly phenomenological semiconductor plasma theory is in good agreement with the experimental data.

Original languageEnglish (US)
Pages (from-to)2446-2449
Number of pages4
JournalPhysical review letters
Volume57
Issue number19
DOIs
StatePublished - Jan 1 1986

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Lee, Y. H., Chavez-Pirson, A., Koch, S. W., Gibbs, H. M., Park, S. H., Morhange, J., Jeffery, A., Peyghambarian, N., Banyai, L., Gossard, A. C., & Wiegmann, W. (1986). Room-temperature optical nonlinearities in GaAs. Physical review letters, 57(19), 2446-2449. https://doi.org/10.1103/PhysRevLett.57.2446