Abstract
Fiber lasers have broad prospects for the development of tunable high-performance photonic equipment and active fiber devices. However, they are still facing challenges, such as the limited emission wavelength and relatively high pump energy. Perovskite nanocrystals possess a large absorption cross-section, high quantum efficiency, long Auger lifetime, and tunable emission wavelength, which have been recognized as the promising gain media. In this work, a unique method was developed to form a type of fiber laser device based on high-quality SiO2 microfibers integrated with solution-processed perovskite nanocrystals. By this way, the robust and efficient fiber laser with characteristics of long-haul transmission, tunable laser mode, and high polarization state was effectively obtained. Our results represent a significant advancement in fiber lasers based on favorable perovskite nanocrystals and high-quality SiO2 microfiber and provide new possibilities for active fiber devices.
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