Modulation device for power self-adaptation regulation of waveguide

By constructing a closed-loop feedback system and utilizing beam splitters, phase shifters, Mach-Zehnder modulators, and phase change material components, the optical power imbalance of the dual parallel Mach-Zehnder modulators is monitored and compensated in real time, solving the problem of modulation performance degradation and achieving high-precision optical power control and energy efficiency improvement.

CN122410831APending Publication Date: 2026-07-17BEIJING ZHONGKE YUANXIN OPTOELECTRONICS TECHNOLOGY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
BEIJING ZHONGKE YUANXIN OPTOELECTRONICS TECHNOLOGY CO LTD
Filing Date
2026-05-12
Publication Date
2026-07-17

Smart Images

  • Figure CN122410831A_ABST
    Figure CN122410831A_ABST
Patent Text Reader

Abstract

本申请实施例提供一种波导功率自适应调控的调制装置，包括分束器，用于将输入的光波分为多束光波；移相器，用于调整多束光波之间的相对相位；马赫曾德尔调制器，用于对调整相位后的多束光波进行强度调制；多模干涉耦合器，用于对调制后的多束光波进行多模干涉，并转换成干涉后的多束光波；监控探测器，用于监测干涉后的多束光波的光功率，并根据光功率确定对应的光电流；功率反馈控制器，用于根据光电流的差值确定对应的电脉冲；相变材料组件，用于根据电脉冲调整多束光波对应的功率；合束器，用于将干涉后的多束光波合束。通过形成闭环控制回路，可用于高精度自动动态补偿调制器作用的不同支路由于设计或工艺制造偏差或误差。
Need to check novelty before this filing date? Find Prior Art