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Enhanced properties in single-walled carbon nanotubes based saturable absorber for all optical signal regeneration

  • Hanond Nong
  • , Maud Gicquel-Guézo
  • , Laurent Bramerie
  • , Mathieu Perrin
  • , Frédéric Grillot
  • , Romain Fleurier
  • , Baolai Liang
  • , Diana L. Huffaker
  • , Christophe Levallois
  • , Julie Le Pouliquen
  • , Alain Le Corre
  • , Olivier Dehaese
  • , Slimane Loualiche
  • Université Européenne de Bretagne
  • ONERA-CNRS
  • University of California, Los Angeles

Résultats de recherche: Contribution à un journalArticleRevue par des pairs

2 Citations (Scopus)

Résumé

Ultrafast relaxation dynamics of photogenerated carriers in nanostructure based saturable absorber (SA) are investigated using a degenerate cross-polarized pump-probe experiment at 1.55 μm operating wavelength. Single-walled carbon nanotubes (SWNT) encased in micelles are studied and compared to bundled ones as well as to iron doped InGaAs/InP multiple quantum wells (MQW). SA parameters for all optical signal regeneration (AOSR) are extracted from the normalized differential transmission. Although all samples show the same order of recombination time, SWNT in micelles present a much higher contrast ratio associated to a lower level of saturation fluence as compared to their bundled and MQW counterparts.

langue originaleAnglais
Numéro d'article040206
journalJapanese Journal of Applied Physics
Volume50
Numéro de publication4 PART 1
Les DOIs
étatPublié - 1 avr. 2011
Modification externeOui

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