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如何解决光纤传输过程中的色散补偿,以及实现高速数据的密集波分时复用和全光解复用,成为当前研究过程中的主要难题。光纤Bragg光栅(FBG)是一种理想的无源传感与信号解调器件,文中基于此探究了光纤Bragg光栅的横向受力特性,建立了相应的理论模型,搭建了ASE100光源的实验系统。红外光谱条件下的解调实验结果表明:透射谱主阻带内有偏振损耗的最大值;分裂点与受力大小呈线性关系,并随受力的变化产生周期性移动;温度的不同并不能使偏振损耗的形状发生改变,只是使其在波长轴上的位置产生了变化。上述研究成果对于明确光纤Bragg光栅横向受力具有明显的参考价值。
How to solve the dispersion compensation in the process of optical fiber transmission and to achieve dense wavelength division multiplexing and full optical demultiplexing of high-speed data has become a major problem in the current research process. Fiber Bragg Grating (FBG) is an ideal passive sensing and signal demodulation device. Based on this, FBG lateral force characteristics are explored. Corresponding theoretical models are established and the experimental system of ASE100 light source is built. Demodulation results under infrared spectroscopy show that there is a maximum polarization loss in the main stopband of the transmission spectrum. The splitting point has a linear relationship with the magnitude of the force and changes periodically with the force variation. The difference in temperature does not The shape of the polarization loss changes, but only changes its position on the wavelength axis. The above research results have obvious reference value for clarifying the lateral force of fiber Bragg grating.