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分析了光纤光栅在禁带附近的光学特性 ,提出了一种基于光纤光栅传输色散特性和应变特性的新的色散补偿方案——级联光纤光栅可调谐色散补偿 ;从理论和实验两方面分析了它的色散补偿的可调谐性 ,并进行了数值模拟 ;讨论了这种方案在光纤通信方面特别是在密集波分复用系统中的应用前景。
The optical properties of the fiber grating near the forbidden band were analyzed. A novel dispersion compensation scheme based on the dispersion and strain characteristics of the fiber grating was proposed. The tunable dispersion compensation of the fiber grating was analyzed. The theoretical and experimental analyzes Its dispersion compensation is tunable and numerically simulated. The application prospect of this scheme in optical fiber communication, especially in Dense Wavelength Division Multiplexing (WDM) systems is discussed.