Which companies are working on silicon photonics technology

Leading companies in silicon photonics include Intel, Cisco, IBM, NeoPhotonics, Hamamatsu Photonics, STMicroelectronics, and several startups advancing optical and quantum photonics solutions.Major Global Players

• Intel: Pioneering silicon photonics for data centers and high-speed optical interconnects, with advanced wafer-level manufacturing and integrated transceivers .
• Cisco Systems: Integrates silicon photonics into networking solutions, co-packaged optics, and AI data center infrastructure .
• IBM: Active in silicon photonics research and development, focusing on optical interconnects and high-speed data applications .
• NeoPhotonics: Specializes in coherent optical modules and high-speed transceivers for telecom and enterprise networks .
• Hamamatsu Photonics: Provides optical components and photonic devices leveraging silicon photonics for telecommunications and sensing .
• STMicroelectronics: Develops integrated photonic chips and optical components for data communication and industrial applications .

Startups and Emerging Companies

• PsiQuantum, Xanadu, Quandela: Focus on photonic quantum computing, using silicon photonics for integrated photonic chips and single-photon systems .
• Fotonix: Offers silicon photonics chips and foundry-agnostic photonic IC design for AI and data center applications .
• Other startups: Include companies developing optical engines for AI infrastructure, thin-film lithium niobate modulators, and photonic computing platforms .

Industry Trends

Silicon photonics is increasingly adopted in AI data centers, optical interconnects, and high-speed networking, with hyperscalers and chipmakers investing in 1.6T transceivers, optical I/O chiplets, and co-packaged optics . The technology is also expanding into consumer electronics, telecom lasers, and photonic quantum computing, reflecting a broadening market beyond traditional data centers . These companies collectively represent the core ecosystem of silicon photonics, spanning established semiconductor giants, optical networking leaders, and innovative startups driving next-generation photonic solutions.