公开(公告)号：US20240419046A1

公开(公告)日：2024-12-19

申请号：US18815345

申请日：2024-08-26

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhen Dong ,  Peijie Zhang ,  Yanbo Li

IPC: G02F1/21 ,  G02F1/225 ,  H04B10/516

Abstract: A Mach-Zehnder (MZ) modulator includes a splitter, two modulation arms, and a coupler. The two modulation arms include two optical transmission waveguides and two electrodes. The splitter is configured to perform power splitting on an optical carrier to obtain two optical carriers and input the two optical carriers to corresponding input ports of the two optical transmission waveguides, respectively. The two electrodes include a first electrode and a second electrode which are respectively configured to receive two differential electrical signals and apply the two differential electrical signals to the two optical transmission waveguides to change phases of the two optical carriers. Two input ends of the coupler are connected to output ports of the two optical transmission waveguides, respectively, and are configured to perform interference on the optical carriers whose phases are changed via the two modulation arms and output the optical carriers.