This pioneering work, recently published in Light: Science & Applications, offers a robust platform for compact, efficient, and tunable light sources that can be seamlessly integrated into existing silicon photonic circuits, paving the way for novel applications in. This pioneering work, recently published in Light: Science & Applications, offers a robust platform for compact, efficient, and tunable light sources that can be seamlessly integrated into existing silicon photonic circuits, paving the way for novel applications in. In a groundbreaking advancement poised to revolutionize optical technologies, researchers have unveiled an integrated tunable green light source fabricated on silicon nitride, marking a significant leap forward in photonic integration and wavelength versatility. This pioneering work, recently. Although silicon is an indirect bandgap material prohibitingefficient light generation,considerablework has been conducted in the field of silicon p-n junctions emitting broadband visible light when operating in the high-voltage reverse breakdown avalanching mode. We review the progress of silicon-based on-chip light sources in. Researchers report on improved 78% internal quantum efficiency (IQE) for green indium gallium nitride (InGaN) light-emitting diode (LED) epitaxial structures grown on silicon (Si) using only a single aluminium nitride (AlGaN) buffer layer [Yayu Dai et al, Appl. In this study, it is revealed that the high work function Au, widely employed in Si-based top-emission PeLEDs as the reflective.