Subpicosecond pulse generation at 134 GHz using a quantum-dash-based Fabry-Perot laser emitting at 1.56 μm

  • C. Gosset
  • , K. Merghem
  • , A. Martinez
  • , G. Moreau
  • , G. Patriarche
  • , G. Aubin
  • , A. Ramdane
  • , J. Landreau
  • , F. Lelarge

Research output: Contribution to journalArticlepeer-review

Abstract

We demonstrate passive mode locking in one-section monolithic semiconductor laser diodes based on quantum-dash active layer at very high repetition rate in the 1.5 μm window. Transform-limited pulses are generated at 134 GHz with subpicosecond width, without any pulse compression scheme. A 50 kHz linewidth of the radio-frequency spectrum is also demonstrated at 42 GHz, the lowest value reported for any passively mode-locked semiconductor laser. We further show that the saturable absorption section in two-section devices has no significant impact on the mode-locking behavior.

Original languageEnglish
Article number241105
JournalApplied Physics Letters
Volume88
Issue number24
DOIs
Publication statusPublished - 12 Jun 2006
Externally publishedYes

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