Abstract

The axis of the integrated superluminescentlight source was tilted with respect to the output facet normal forlasing suppression. A newphenomenon (lasing suppression) was observed in the tilted integrateddevice. Three new schemes were proposed and demonstrated further to suppressthe lasing by analysing the reason for lasing in the tilted structure. Thelasing was suppressed successfully at high pumping levels, and highsuperluminescent powers (more than 300 mW) were obtained at a pulsedcondition with the spectral full width at half maximum of 25-30 nm.

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