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利用离子交换技术在玻璃基片上制作的集成光功分器具有工作波长范围宽,结构紧凑,环境稳定性好等特性,适宜批量化生产,成本更低。近年来,玻璃基离子交换光波导器件制备技术逐步发展成熟,基于该技术的集成光功分器的关键技术指标已经满足光通信网络应用的需求,并且在价格上具有很强的竞争力。介绍了玻璃基离子交换光波导制作原理以及玻璃基集成光功分器的技术发展现状,重点介绍了浙江大学在集成光功分器研制与开发方面的工作,包括专用玻璃材料的研制,离子交换技术的改进以及光功分器的结构设计,并报道了对集成光功分器的性能测试结果。
The integrated optical power splitter fabricated by ion exchange technology on a glass substrate has the advantages of wide working wavelength range, compact structure and good environmental stability, and is suitable for mass production with lower cost. In recent years, glass-based ion-exchange optical waveguide device preparation technology gradually matured, based on the technology of integrated optical power splitter key technical indicators have already met the demand of optical communication network applications, and the price is highly competitive. The production principle of glass-based ion exchange optical waveguides and the status quo of the technology of glass-based integrated optical splitters are introduced. The research work of Zhejiang University on the research and development of integrated optical splitters is introduced, including the development of special glass materials, ion exchange Technical improvements and structural design of optical splitters, and reported the results of performance tests on integrated optical splitters.