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Ultrafast modulation with subpicosecond recovery time in a GaAs/AlGaAs nonlinear directional coupler

  • R. Jin
  • , J. P. Sokoloff
  • , P. A. Harten
  • , C. L. Chuang
  • , S. G. Lee
  • , M. Warren
  • , H. M. Gibbs
  • , N. Peyghambarian
  • , J. N. Polky
  • , G. A. Pubanz

Research output: Contribution to journalArticlepeer-review

Abstract

All-optical modulation is observed at room temperature in a GaAs/AlGaAs multiple quantum well nonlinear directional coupler using femtosecond pulses. The origin of the ultrafast (<500 fs) recovery of the device is attributed to the optical Stark effect.

Original languageEnglish (US)
Pages (from-to)993-995
Number of pages3
JournalApplied Physics Letters
Volume56
Issue number11
DOIs
StatePublished - 1990

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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