Which company s chips are used in optical modules

Key companies supplying chips for optical modules include Broadcom, Marvell, Intel, Lumentum, Coherent Corp., and Accelink Technologies.

Major International Semiconductor Companies

Broadcom Inc.: A leading provider of DSP chips and switching chips used in high-speed optical modules, widely deployed in data center networking equipment and hyperscale cloud infrastructure. Marvell Technology, Inc.: Specializes in high-speed optical communication DSP chips, including PAM4 DSPs for 100G, 200G, and 400G optical modules. Intel Corporation: Focuses on silicon photonics and co-packaged optics, producing chips for optical interconnects and AI accelerators.

Analog Devices and Texas Instruments: Provide analog and mixed-signal chips, such as laser drivers and TIA (Transimpedance Amplifier) chips, essential for optical module performance.

Leading Optical Communication Component Manufacturers

Lumentum: Produces DFB lasers, EML lasers, and photodetectors, which are widely used in high-speed optical modules. Coherent Corp. (formerly II-VI Incorporated): Manufactures laser chips, photodetectors, and other optical communication components for modern optical systems. Accelink Technologies: Invests in next-generation optical modules, including 800G solutions, providing laser and detector chips for telecom and data center applications.

Notable Chinese CompaniesInnoLight (Zhongji Innolight): A leading Chinese optical module manufacturer, integrating R&D, design, packaging, and testing of high-speed optical modules (100G–800G) and providing chips for 5G fronthaul and backbone networks. Yuanjie Semiconductor and Shijia Photons: Recognized as upstream optical chip suppliers in China, producing high-speed optical devices for modules.

AI and Emerging Optical Chip Companies

Rockley Photonics: Focuses on integrated photonics and chip-scale optical sensors for AI applications, including optical interconnects and low-power solutions for data communication. Cisco Systems, Inc.: Integrates AI optical chips into networking hardware for data centers and telecom solutions.

Summary

Optical modules rely on a combination of laser chips, detector chips, DSPs, and driver/amplifier chips. The major suppliers span both semiconductor giants (Broadcom, Marvell, Intel) and specialized optical component manufacturers (Lumentum, Coherent, Accelink), with significant contributions from Chinese companies like InnoLight, Yuanjie Semiconductor, and Shijia Photons. These companies collectively support high-speed optical communication for data centers, 5G networks, and AI-driven applications.