Micro/nano optical materials and devices are the key to many optical fields such as optical communication, optical sensing, biophotonics, laser, quantum optics, etc. At present, the design of micro/nano optics mainly relies on the simulation of numerical methods such as Finite-difference time-domain (FDTD), Finite element method (FEM) and Finite difference method (FDM), which These methods are bottlenecks in current micro/nano optical design because of their dependence on computational resources, low innovation efficiency, and difficulties in obtaining global optimal design. Artificial intelligence (AI) has brought a new paradigm of scientific research: AI for Science, which has been successfully applied to chemistry, materials science, quantum mechanics, and particle physics. In the area of micro/nano design AI has been applied to the design research of chiral materials, power dividers, microstructured optical fibers, photonic crystal fibers, chalcogenide solar cells, plasma waveguides and so on. According to the characteristics of the micro/nano optical design objects, the data sets can be constructed in the form of parameter vectors for complex micro/nano optical designs such as hollow core anti-resonant fibers with multi-layer nested tubes, and in the form of images for simple micro/nano optical designs such as 3dB couplers. The constructed datasets are trained with artificial neural network, deep neural network and convolutional neural net algorithms to build regression or classification tasks for performance prediction or inverse design of micro/nano optics. The constructed AI models are optimized by adjusting performance evaluation metrics such as mean square error, mean absolute error, and binary cross entropy. In this paper, the application of AI in micro/nano optics design is reviewed, the application methods of AI in micro/nano optics are summarized, and the difficulties and future development trends of AI in micro/nano optics research are analyzed and prospected.
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