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In this paper, the design of a lasing system constituted by a tapered fiber coupled to Er3+-doped microsphere and operating in Mid-IR wavelength range is numerically investigated. The device performance has been evaluated by means of a dedicated 3D numerical model based on the coupled mode theory and solving the rate equations. In particular, a detailed rate equations model including the main Er3+...
A mid-IR lasing system based on a tapered fiber coupled to an -doped microsphere has been modeled and numerically investigated. In order to design and optimize the device performance, a dedicated 3-D numerical code exploiting the coupled mode theory and the rate equations model has been developed. The main energy level transitions among the ions, the most relevant secondary...
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