Optical networking ICs (Integrated Circuits) are a category of semiconductor components designed for high-speed data transmission in fiber-optic communication networks. These ICs are produced by various global companies, including prominent manufacturers like Intel (USA), Broadcom (USA), and Huawei HiSilicon (China). They serve industries such as telecommunications, data centers, and enterprise networking, enabling high-bandwidth, low-latency connectivity. Key products include transceivers, amplifiers, multiplexers, and signal processors, which are critical for 5G, cloud computing, and IoT infrastructure. These components are essential for modern optical networks, ensuring efficient and reliable data transfer over long distances.