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Design of ZnO Nanowire Laser Single Mode and Study Its Properties

Designing of single-mode ZnO nanowire laser has been achieved. Studying its properties has also been considered. Analysis of single-mode rate equations indicates that the laser has threshold current of 53 mA, the output power of 30 mW at bias current of 70 mA and the slope efficiency around 1.77 mW/mA for the output power from both mirrors. The critical diameter for nanowire has been calculated and it is found to be 128 nm. The number of nanowire rods through designed area of dimensions (21μm×21μm) has also been calculated. The cavity of nanowire laser is (F-P). The results are compared with some experimental work of ZnO nanowire lasers and good agreement is found.