WIAS Preprint No. 1579, (2010)

Strong asymmetry of mode-locking pulses in quantum-dot semiconductor lasers


  • Radziunas, Mindaugas
  • Vladimirov, Andrei G.
  • Viktorov, Evgeny A.
  • Fiol, Gerrit
  • Schmeckebier, Holger
  • Bimberg, Dieter

2010 Mathematics Subject Classification

  • 78A60 35Q60 35P10 35B30

2008 Physics and Astronomy Classification Scheme

  • 42.55.Px, 42.60.Fc, 73.63.Kv, 85.30.De, 85.35.Be


  • quantum dots, semiconductor laser, saturable absorber, mode-locking, trailing edge plateaux, optical mode, mode decomposition


We describe the formation of a strong pulse asymmetry in mode-locked quantum-dot edge-emitting two-section semiconductor lasers. A mode decomposition technique reveals the role of the superposition of different modal groups. The results of theoretical analysis are supported by experimental data.

Appeared in

  • Appl. Phys. Lett., 98 (2011) pp. 031104/1--031104/3.

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