First-principles calculations to investigate optical properties of ByAlxIn1−x−yN alloys for optoelectronic devices

► Analyze the electronic band structure of ByAlxIn1−x−yN alloys. ► Study the appropriate one of ByAlxIn1−x−yN alloys to form quantum well laser structure. ► Investigate imaginary part of dielectric function, reflectivity and refractive index. ► Investigate absorption coefficient and optical conductivity for suitable UV wavelength range.