# Kyocera semiconductor and photonics technology development > Live situation record from CLSTR: https://clstr.news/situations/kyocera-semiconductor-and-photonics-technology-development > Updated: 2026-09-10T05:53:12.000Z. Sources: 6. Developments: 2. Kyocera Corporation is advancing its technological capabilities to support the evolving semiconductor and AI infrastructure sectors. Initially, the company focused on expanding its production of fine ceramic components, such as alumina and silicon carbide, designed to withstand the extreme temperatures and plasma environments required for complex 3D chip stacking and miniaturized manufacturing processes. Building on these material advancements, Kyocera and Tohoku University subsequently developed a new method for integrating optical isolators onto silicon photonic circuits. By utilizing ‘laser annealing’ to provide localized heating, the researchers successfully avoided damaging existing circuitry during the crystallization of garnet materials. This breakthrough aims to facilitate high-speed, low-power data transmission through Co-Packaged Optics (CPO), addressing critical needs for next-generation AI data centers. ## Timeline ### 2026-09-10: Kyocera and Tohoku University develop silicon photonic optical isolator technology Kyocera and Tohoku University developed a laser annealing technique to integrate optical isolators directly onto silicon photonic circuits, reducing reflected light by 20 times to support AI data centers. 3 sources. https://clstr.news/cluster/kyocera-and-tohoku-university-develop-silicon-photonic-optical-isolator-technology ### 2026-08-31: Kyocera expands fine ceramics for semiconductor manufacturing equipment Kyocera is strengthening its fine ceramic component business for semiconductor equipment to support AI-driven demand, amid industry shifts toward 3D stacking and complex manufacturing processes. 4 sources. https://clstr.news/cluster/kyocera-expands-fine-ceramics-for-semiconductor-manufacturing-equipment --- Cite as: Kyocera semiconductor and photonics technology development. CLSTR, https://clstr.news/situations/kyocera-semiconductor-and-photonics-technology-development