High-power versatile picosecond pulse generation from mode-locked quantum-dot laser diodes

Maria Ana Cataluna*, Ying Ding, Daniil I. Nikitichev, Ksenia A. Fedorova, Edik U. Rafailov

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

29 Citations (Scopus)


This paper presents the current status of our research in mode-locked quantum-dot edge-emitting laser diodes, particularly highlighting the recent progress in spectral and temporal versatility of both monolithic and external-cavity laser configurations. Spectral versatility is demonstrated through broadband tunability and novel mode-locking regimes that involve distinct spectral bands, such as dual-wavelength mode-locking, and robust high-power wavelength bistability. Broad tunability of the pulse repetition rate is also demonstrated for an external-cavity mode-locked quantum-dot laser, revealing a nearly constant pulse peak power at different pulse repetition rates. High-energy and low-noise pulse generations are demonstrated for low-pulse repetition rates. These recent advances confirm the potential of quantum-dot lasers as versatile, compact, and low-cost sources of ultrashort pulses.

Original languageEnglish
Article number25
Pages (from-to)1302-1310
Number of pages9
JournalIEEE Journal of Selected Topics in Quantum Electronics
Issue number5
Publication statusPublished - 2011


  • Laser mode-locking
  • laser tuning
  • optical pulses
  • quantum dot lasers
  • wavelength bistability

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics


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