OpenLight and Tower Semiconductor Demonstrate 400G/lane Modulators Built on Silicon Photonic Wafers for Data Centers and AI Optical Connectivity

Core Insights - OpenLight and Tower Semiconductor have successfully demonstrated a 400G/lane modulator on Tower's silicon photonics platform, achieving a better than 3.5dB extinction ratio using PAM-4 modulation at a drive voltage of 0.6 volts peak-to-peak [2][3] - The integrated silicon photonics solution supports scalable optical communication architectures from 100G to 400G, addressing the increasing demand for high-speed data transfer in cloud computing, AI, and machine learning applications [3][4] - The collaboration between OpenLight and Tower Semiconductor aims to provide a cost-effective and reliable solution for next-generation optical communication technology, minimizing design complexity and time to market for customers [5][8] Company Overview - OpenLight is a leader in custom PASIC chip design, integrating active and passive components of silicon photonics devices into a single chip, with over 350 patents [7] - Tower Semiconductor specializes in high-value analog semiconductor solutions, offering customizable process platforms across various markets, including consumer, industrial, and automotive sectors [8]