Nondegenerate coherent control of polariton modes in a quantum-well semiconductor microcavity

Y. S. Lee, T. B. Norris, J. Prineas, Galina Khitrova, H. M. Gibbs

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

We demonstrate nondegenerate coherent control of the cavity-polariton modes of a quantum-well semiconductor microcavity. Coherent excitation and de-excitation of one normal mode using a pair of phase-locked optical pulses gives rise to a nonlinear response on the other normal mode due to the nonlinearity of the exciton transition underlying the normal modes. The cavity enhancement of the excitonic nonlinearity gives rise to a large signal; modulating the relative phase of the excitation pulses between zero and π produces a differential reflectivity (ΔR/R) of up to 15%. Coherent control is used to measure the polariton dephasing time as a function of density. Excitation induced dephasing is shown to be the factor limiting the degree of coherent control.

Original languageEnglish (US)
Pages (from-to)121-125
Number of pages5
JournalPhysica Status Solidi (B) Basic Research
Volume221
Issue number1
StatePublished - Sep 2000

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Microcavities
polaritons
Semiconductor quantum wells
quantum wells
Semiconductor materials
excitation
nonlinearity
Electron transitions
Laser modes
Excitons
cavities
Laser pulses
pulses
excitons
reflectance
augmentation

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Nondegenerate coherent control of polariton modes in a quantum-well semiconductor microcavity. / Lee, Y. S.; Norris, T. B.; Prineas, J.; Khitrova, Galina; Gibbs, H. M.

In: Physica Status Solidi (B) Basic Research, Vol. 221, No. 1, 09.2000, p. 121-125.

Research output: Contribution to journalArticle

Lee, Y. S. ; Norris, T. B. ; Prineas, J. ; Khitrova, Galina ; Gibbs, H. M. / Nondegenerate coherent control of polariton modes in a quantum-well semiconductor microcavity. In: Physica Status Solidi (B) Basic Research. 2000 ; Vol. 221, No. 1. pp. 121-125.
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