Simple optical system design to produce Continuous wave visible emission of direct-bandgap semiconductor (n-type GaN/sapphire -yellow emission) and indirectbandgap semiconductor (monocrystalline p-type Si- red emission) at room temperature for nanodevices

  • Kifah Q. Salih Ministry of Higher Education and Scientific Research, Iraq-Baghdad
Keywords: Continuous wave PL techniques, Silicon visible emission, GaN yellow emission, absorption coefficient, surface texture, Microptical cavity, optical properties of Lasing mirror


There has been considerable interest in nanoemitters for different applications with low cost. A key motivation of this work in using a metallic thin film on glass or semiconductor substrate as optical system is to keep reducing the device size & its cost.


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