调制器评价指标引言正文调制器结构图消光比 (extinction ratio)插入损耗(insertion loss)V π L π V_{\pi}L_{\pi}VπLπ调制速度Author: JiJi \textrm{Author: JiJi}Author: JiJiCreated Time: 2026.01.14 \textrm{Created Time: 2026.01.14}Created Time: 2026.01.14