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Advances in OptoElectronics
Volume 2011 (2011), Article ID 780373, 11 pages
Review Article

Single-SectionFabry-Perot Mode-Locked Semiconductor Lasers

Department of Engineering and Technology, Western Carolina University, Cullowhee, NC 28723, USA

Received 14 September 2010; Revised 17 November 2010; Accepted 8 January 2011

Academic Editor: Yaomin Lin

Copyright © 2011 Weiguo Yang. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


We present a review of the theoretical models and experimental verification of the single-section Fabry-Perot mode-locked semiconductor lasers based on multiple-spatial-mode (MSM) coupling. The mode-locked operation at the repetition rates of 40 GHz and higher and the pulse width of a few picoseconds are confirmed by the intensity autocorrelation, the fast photo detection and RF spectrum, and the optical spectral interference measurement of ultrafast pulse. The spatial mode coupling theory of single-section Fabry-Perot mode-locked semiconductor lasers is also reviewed, and the results are compared with the experimental observations. The small signal modulation response of these lasers, which exhibits high-frequency responses well beyond the relaxation oscillation resonance limit, is also modeled theoretically, and the simulation is verified by the experimental measurements.