All-optical sampling and spectrographic pulse measurement using cross-absorption modulation in multiple-quantum-well-devices

D. Reid, Peter Maguire, L.P. Barry, Q.T. Le, S. Lobo, M. Gay, L. Bramerie, M. Joindot, J.-C. Simon, David Massoubre, J.L. Oudar, G. Aubin

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The application of cross absorption modulation for optical sampling and phase sensitive pulse measurement is presented. Both a commercial 40 GHz electroabsorption modulator and a vertical microcavity saturable absorber are used to sample a 2 ps pulse train at 40 GHz. The modulator was then used to make cross-absorption modulation based frequency-resolved optical gating (FROG) measurements. The results were verified by comparison with a commercial optical sampling oscilloscope and the more standard second harmonic generation FROG technique.

Original languageEnglish
Pages (from-to)A133-A139
Number of pages7
JournalJournal of Optical Society of America B
Issue number6
Publication statusPublished - 23 May 2008


  • optical sampling
  • spectrographic pulse measurement
  • cross-absorption modulation
  • quantum well devices

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