首先对不同类型光调制器性能做了简单比较,并结合近几年的研究进展情况,对各种电光调制器优缺点进行介绍,尤其对其中具有广泛应用前景的硅基电光调制器作了详尽的介绍,最后讨论了传输线电极设计对各类电光调制器性能的影响,并介绍了近几年在改善电光调制器的调制带宽方面的研究进展。 First of all, it simply compares the performance of different types of optical modulators, and introduces the advantages and disadvantages of all kinds of electro-optic modulators in combination with the research progress in recent years. In particular, it has a detailed description of the silicon-based electro-optic modulator with broad application prospects Finally, the influence of transmission line electrode design on the performance of various electro-optical modulators is discussed. The research progress in improving the modulation bandwidth of electro-optic modulators in recent years is also introduced.