Temperature dependence of pulse duration in a mode-locked quantum-dot laser

M. A. Cataluna, E. A. Viktorov, Paul Mandel, W. Sibbett, D. A. Livshits, J. Weimert, A. R. Kovsh, E. U. Rafailov

Research output: Contribution to journalArticlepeer-review


The authors demonstrate, experimentally and theoretically, that in a mode-locked two-section quantum-dot laser, the pulse duration decreases with temperature. The primary cause is the increase of carrier capture/escape rates with temperature that leads to faster absorption recovery.
Original languageEnglish
Article number101102
JournalApplied Physics Letters
Publication statusPublished - 5 Mar 2007

Bibliographical note

The authors in St. Andrews acknowledge the financial support from EPSRC, through the Ultrafast Photonics Collaboration and also from Fundação para a Ciência e Tecnologia, Portugal, through a graduate scholarship award to one of the authors (M. A. C.). The authors in Brussels acknowledge support of the Fonds National de la Recherche Scientifique (Belgium) and the Interuniversity Attraction Pole Programme—Belgian Science Policy.


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