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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 14 — Jul. 7, 2008
  • pp: 10835–10840

312-fs pulse generation from a passive C-band InAs/InP quantum dot mode-locked laser

Z.G. Lu, J.R. Liu, S. Raymond, P.J. Poole, P.J. Barrios, and D. Poitras  »View Author Affiliations

Optics Express, Vol. 16, Issue 14, pp. 10835-10840 (2008)

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For the first time, we report femtosecond pulses from a passive single-section InAs/InP quantum-dot (QD) mode-locked laser (MLL) with the active length of 456 µm and ridge width of 2.5 µm at the C-band wavelength range. Without any external pulse compression, the transform-limited Gaussian-pulses are generated at the 92 GHz repetition rate with the 312 fs pulse duration, which is the shortest pulse from any directly electric-pumping semiconductor MLLs to our best knowledge. The lasing threshold injection current and external differential quantum efficiency are 17.2 mA and 38%, respectively. We have also investigated the working principles of the proposed QD MLLs.

© 2008 Optical Society of America

OCIS Codes
(140.4050) Lasers and laser optics : Mode-locked lasers
(140.5960) Lasers and laser optics : Semiconductor lasers
(190.4360) Nonlinear optics : Nonlinear optics, devices
(230.5590) Optical devices : Quantum-well, -wire and -dot devices
(320.2250) Ultrafast optics : Femtosecond phenomena

ToC Category:
Ultrafast Optics

Original Manuscript: May 13, 2008
Revised Manuscript: June 9, 2008
Manuscript Accepted: June 25, 2008
Published: July 3, 2008

Z. G. Lu, J. R. Liu, S. Raymond, P. J. Poole, P. J. Barrios, and D. Poitras, "312-fs pulse generation from a passive C-band InAs/InP quantum dot mode-locked laser," Opt. Express 16, 10835-10840 (2008)

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