采用有限元软件对新型结构的铌酸锂电光调制器进行了优化设计分析表明,采用脊波导和T型电极相结合的方式,能在保持高的特征阻抗的同时有效的实现相速匹配和有效降低电极损耗,从而较好的提高器件性能,是一种比较有潜力的调制器利用优化结果,给出一种带宽达153GHz,半波电压为8.55V,特征阻抗为44Ω的调制器的设计例子 The optimized design and analysis of the new structure lithium niobate electro-optic modulator using finite element software show that the combination of ridge waveguide and T-electrode can effectively achieve the phase velocity matching and effective while maintaining the high characteristic impedance Reduce the electrode loss, so as to better improve the performance of the device, is a more potential modulator Optimum use of the results to give a bandwidth of 153GHz, half-wave voltage of 8.55V, the characteristic impedance of 44Ω modulator design example