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    • 24. 发明授权
    • Adaptive dispersion compensation device and control method for the same
    • 自适应色散补偿装置及其控制方法相同
    • US06674931B2
    • 2004-01-06
    • US10252844
    • 2002-09-24
    • Shinichi WakabayashiKensuke OgawaAkira Suzuki
    • Shinichi WakabayashiKensuke OgawaAkira Suzuki
    • G02B626
    • G02B6/2932G02B6/02085G02B6/02204G02B6/29394G02B6/29395G02B6/29398H04B10/2519
    • An adaptive dispersion compensation device offered performs stably the dispersion compensation, inclusive of waveform shaping, for an optical fiber transmission line. The device comprises a plurality of basic units each including a chirp-bragg fiber grating which is formed in an optical waveguide, a reflection mirror which is disposed on the light input side of the chirp-bragg fiber grating by being detachable and an optical circulator which is connected to the reflection mirror, means of connecting the basic units in series, and means of controlling the dispersion characteristics of each chirp-bragg fiber grating by applying a temperature gradient to it along its axis. The individual chirp-bragg fiber gratings with the application of temperature gradients vary the dispersion quality of the lights passing through the basic units, thereby controlling the dispersion quality of the input signal light stably and releasing the compensated signal light.
    • 提供的自适应色散补偿装置稳定地执行光纤传输线的色散补偿(包括波形整形)。 该装置包括多个基本单元,每个基本单元包括形成在光波导中的啁啾布拉格光纤光栅,通过可拆卸地设置在啁啾布拉格光栅的光输入侧的反射镜和光循环器, 连接到反射镜,串联连接基本单元的装置,以及通过沿其轴线施加温度梯度来控制每个啁啾布拉格光纤光栅的色散特性的装置。 具有温度梯度的单个啁啾布拉格光栅光栅改变通过基本单元的光的色散质量,从而稳定地控制输入信号光的色散质量并释放补偿的信号光。