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Mode-locking dynamics in electrically-driven vertical-external-cavity surface-emitting lasers

AuthorsMulet, Josep; Balle, Salvador
KeywordsMode-locked lasers
Semiconductor device modeling
Semiconductor lasers
Surface-emitting lasers
Issue Date1-Sep-2005
PublisherInstitute of Electrical and Electronics Engineers
CitationIEEE Journal of Quantum Electronics 41, 1148-1156 (2005)
AbstractWe develop a novel description of electrically-driven vertical-external-cavity surface-emitting semiconductor lasers (VECSELs) mode-locked by saturable absorber mirrors. Our approach is based on an analytical solution of the bidirectional traveling-wave equations for fundamental transverse mode operation. The resulting time-domain equations describe the evolution of the electric fields and carrier-densities at the quantum well layers of the emitter and absorber structures which are coupled through delayed boundary conditions. For the design considered, we obtain stable mode-locked pulses of few tens of picoseconds at 15 GHz repetition rate in agreement with recently reported experimental results.
Description9 pages, 5 figures.
Publisher version (URL)http://dx.doi.org/10.1109/JQE.2005.853355
Appears in Collections:(IMEDEA) Artículos
(IFISC) Artículos
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