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Optical pulse generation in single section InAs/GaAs quantum dot edge emitting lasers under continuous wave operation

  • R. Rosales
  • , K. Merghem
  • , C. Calo
  • , G. Bouwmans
  • , I. Krestnikov
  • , A. Martinez
  • , A. Ramdane
  • Centre de Nanosciences et de Nanotechnologies
  • Université de Lille
  • Innolume GmbH

Research output: Contribution to journalArticlepeer-review

38 Citations (Scopus)

Abstract

Observation of sub-picosecond pulses from a single section Fabry Perot InAs/GaAs edge emitting quantum dot (QD) based laser at 1.3 μm under continuous wave operation is reported. After group delay dispersion compensation, pulse durations as short as 770 fs in a 45 GHz repetition rate device have been measured, with 1.9 W of peak power and a narrow radio frequency spectrum of only a few kHz linewidth. The experiments show evidence of an unexplored mode locking regime in the InAs/GaAs quantum dot material system, which still needs theoretical modelling and further analysis.

Original languageEnglish
Article number221113
JournalApplied Physics Letters
Volume101
Issue number22
DOIs
Publication statusPublished - 26 Nov 2012
Externally publishedYes

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