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the final manuscript.”
“Background Semiconductor quantum dots with their excellent optoelectronic properties are now mostly used for various technologies such as biological science [1–4], quantum dot lasers [5, 6], light-emitting diodes (LEDs) [7], solar cells [8], infrared and THZ-IR photodetectors [9–14], photovoltaic devices [15], and quantum computing [16, 17]. GaN and AlN are members of III-V nitride family. These wide bandgap semiconductors are mostly appropriate for optoelectronic instrument fabrication. Third-order nonlinear optical processes in ZnS/CdSe core-shell quantum dots are investigated in [18–20]. It is shown that the symmetry of the confinement potential breaks due to large applied external electric fields and leads to an important blueshift of the peak positions in the nonlinear optical spectrum.