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

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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 - Dec 1 1990

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ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Jin, R., Sokoloff, J. P., Harten, P. A., Chuang, C. L., Lee, S. G., Warren, M., Gibbs, H. M., Peyghambarian, N., Polky, J. N., & Pubanz, G. A. (1990). Ultrafast modulation with subpicosecond recovery time in a GaAs/AlGaAs nonlinear directional coupler. Applied Physics Letters, 56(11), 993-995. https://doi.org/10.1063/1.102573