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论文通过将啁啾光纤光栅实延时技术与传统实延时技术进行分析比较,指出了前者具有控制元件少、连续可调谐的优点,并进一步介绍了一种基于超结构啁啾光纤光栅的实延时技术,该技术是先进的光子信号处理手段中的关键技术,能够提高现有机动通信系统的工作频段、处理带宽、扫描精度。实验表明,基于超结构啁啾光纤光栅实延时技术的实现复杂度较低,且性能与国外采用啁啾相位掩膜板法制作的啁啾精密的光纤光栅实现实延时技术的性能接近。
By analyzing and comparing the real delay technology of chirped fiber grating and the traditional real time delay technology, the paper points out that the former has the advantages of less control elements and continuously tunable, and further introduces a real based on the super structure of chirped fiber grating real Delay technology, which is the key technology in the advanced photon signal processing method, which can improve the working frequency band, processing bandwidth and scanning accuracy of the existing mobile communication system. Experiments show that the real-time delay technique based on the super structure chirped fiber grating realizes low complexity, and its performance is close to that achieved by the chirped precision fiber grating fabricated by the chirped phase mask method abroad.