【摘要】 高性能的波分复用器是密集波分复用系统的核心器件之一,重叠写入啁啾光纤光栅型带通滤波器充分发挥了光纤光栅优良的波长选择特点,是一种低成本的新型全光纤波分复用器件。综合评述了各种不同结构的重叠写入啁啾光纤光栅型滤波器的工作原理、基本特点及其应用。更多还原

【Abstract】 Wavelength division multiplexing devices with high performances are key components for dense wavelength division multiplexing system.Being a kind of novel,low-cost,all-fiber wavelength division multiplexing device,transmission filters based on superimposed chirped fiber Bragg gratings take advantage of excellent wavelength-selectivity of fiber gratings.Operation principles,basic characteristics and applications of the filters for various structures have been generalized and analyzed.更多还原