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Optoelectronic devices are various functional devices made by utilizing the electro-photon conversion effect.Depending on whether electrical support is required,optical devices can be divided into passive and active categories.Active devices mainly include wavelength converters,optical amplifiers,lasers,etc.;passive devices are devices that consume a certain amount of energy in optical communication systems and have certain functions without photoelectric conversion.They are mainly composed of optical splitters,optical filters,Optical splitter,etc.Data show that in 2020,the output of optoelectronic devices in my country will reach 972.29 billion.From January to May 2021,the output of optoelectronic devices in my country reached 475.57 billion,a year-on-year increase of 43.8%.

光电子器件是利用电-光子转换效应制成的各种功能器件。根据是否需要电支持，光器件可以分为无源和有源两类。有源器件主要包括波长转换器、光放大器、激光器等；无源器件是光通信系统中需要消耗一定的能量，具有一定功能而没有光电转换的器件，主要由光分路器、光滤波器、光分波器等。数据显示，2020年我国光电子器件产量达9722.9亿只。2021年1-5月我国光电子器件产量达4755.7亿只，同比增长43.8%。