Surface plasmon coupled stimulated emission from semiconductor/metal-nanostructure composites

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In this work, we investigate the surface plasmon enhancedstimulated emission and lasing from the semiconductor/metal-nanostructure composites.We demonstrated that the near-infrared and blue random lasing emissions from the GaAsand ZnSe particles. Furthermore, it is found that the GaN/Au nanocomposite powders showsthe surface plasmon assisted random lasing. We also showed the control of random lasingproperties of ZnO by surface plasmons in Ag nanoparticles.