EPJ Web of Conferences (Mar 2013)

Observation of exciton-polariton ultrafast dynamic Stark effect

  • Snoke David W.,
  • Pfeiffer Loren N.,
  • Nelsen Bryan,
  • Steinberg Aephraim M.,
  • van Driel Henry M.,
  • Darabi Ardavan,
  • Rozema Lee A.,
  • Hayat Alex,
  • Lange Christoph,
  • West Kenneth W.

DOI
https://doi.org/10.1051/epjconf/20134104003
Journal volume & issue
Vol. 41
p. 04003

Abstract

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We demonstrate ultrafast phase control of exciton-polaritons in a GaAs/AlGaAs strongly coupled microcavity exploiting the ac Stark effect. Our approach yields meV-scale shifts without carrier generation, providing a powerful tool towards control of polariton BECs.