Transverse mode competition effects on the dynamics of gain-switched vertical-cavity surface-emitting lasers

Valle, A.; Arizaleta, M.; Thienpont, H.; Panajotov, K.; Sciamanna, M.
September 2008
Applied Physics Letters;9/29/2008, Vol. 93 Issue 13, p131103
Academic Journal
An experimental analysis of the nonlinear dynamics of a multi-transverse-mode vertical-cavity surface-emitting laser (VCSEL) when subject to a high-frequency current modulation is performed. Regular periodic dynamics—with periods equal to the modulation period or twice the modulation period—and irregular pulsating dynamics are obtained. Our results show that the irregular pulsating dynamics in multimode VCSELs subject to large-signal current modulation is due to the competition between different transverse modes.


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