Core Insights - OCS technology is still in the early stages of industrialization, with increasing demand for related components and materials as Google’s usage penetration and customer engagement rise [1] - The OCS technology allows for direct switching of optical signals without O/E/O conversion, significantly reducing latency and power consumption, with potential power savings of over 30% for AI computing clusters and data center interconnect systems [1] - The OCS market is projected to grow rapidly, with an estimated market size of approximately $400 million in 2025 and expected to exceed $2.5 billion by 2029, driven by the demand for AI data centers [3] Industry Overview - OCS technology has four main technical routes: MEMS, liquid crystal, piezoelectric, and silicon waveguide, with MEMS being the fastest to commercialize [2] - Google is shifting from a "self-research + outsourcing" model to OCS system procurement, which is expected to expand the OCS market significantly [2] - Lumentum reported an OCS order backlog exceeding $400 million, primarily from three core customers, indicating strong demand growth [3]

光交换机OCS(Optical Circuit Switch)是一种无需光电/电光（O/E/O）转换，直接实现光信号在光纤端口 间切换的技术，应用于AI算力集群、超大规模数据中心的叶脊架构互连、超节点集群高速通信等场 景。通过直接在光域完成数据信号的路由与切换，无需进行光电/电光转换，OCS技术从底层规避了传 统电交换在高速传输下的带宽瓶颈、功耗损耗问题，大幅缩短了信号传输的时延，同时其功耗仅与端口 数相关、与信号传输速率无关，大大降低减少了功耗。行业技术研究与落地实践验证，OCS技术可助力 AI算力集群、数据中心光互连系统整体功耗降低30%以上。 OCS目前有四种技术路线，成本、性能、技术难度的权衡。目前，OCS主要有MEMS、液晶、压电、硅 波导四大技术路线，MEMS方案作为谷歌自研方案商用节奏最快，其次是液晶方案。随着谷歌从"自研 +代工"的模式逐步转向OCS整机方案采购，释放出更大的OCS市场空间。 国信证券近日发布数据中心互联技术专题：根据Cignal AI的测算，2025年OCS市场由谷歌MEMS OCS 主导，总体市场规模约为4亿美元；2029年OCS的市场规模将超过25亿美元，四年CAGR约为 ...

Investment Rating - The report maintains an "Outperform" rating for the industry [2] Core Viewpoints - Optical Circuit Switch (OCS) technology enables direct switching of optical signals between fiber ports without optical-electrical-optical (O/E/O) conversion, significantly reducing latency and power consumption, with potential power savings of over 30% for AI computing clusters and data center interconnects [3][4][92] - The OCS market is expected to grow rapidly, with a projected market size exceeding $2.5 billion by 2029, driven by increasing demand from AI data centers and enhanced customer penetration [4][81] - The report highlights four main technology routes for OCS: MEMS, liquid crystal, piezoelectric, and silicon waveguide, with MEMS technology currently leading the market [4][14][92] Summary by Sections 1. OCS as a New Photonic Interconnect Technology - OCS technology allows for high bandwidth capabilities and low latency, making it suitable for modern data center demands [13] - The technology is transparent to rate and protocol, allowing for seamless upgrades without hardware replacement [13] - OCS can be incrementally deployed and expanded, reducing initial capital investment [13] 2. OCS Applications for AI Data Centers - Google has been at the forefront of developing ASIC chips, with the latest TPU generation utilizing OCS technology for enhanced interconnectivity [51][64] - The TPU architecture requires a significant number of ports, indicating a growing demand for OCS solutions [71] 3. OCS Industry Chain Company Layout - Various companies are positioned within the OCS industry chain, including Silex, Tengjing Technology, and Zhongji Xuchuang, each focusing on different aspects of OCS technology and components [83][84] - The report emphasizes the importance of collaboration between domestic manufacturers and leading global firms to capitalize on the OCS market growth [84] 4. Investment Recommendations - The report suggests focusing on companies within the OCS supply chain, particularly those with established partnerships with leading international firms, as they are likely to benefit from the industry's growth [4][90]

Investment Rating - The report maintains an "Outperform" rating for the industry [2] Core Viewpoints - Optical Circuit Switch (OCS) technology enables direct switching of optical signals between fiber ports without optical-electrical-optical (O/E/O) conversion, significantly reducing latency and power consumption, with potential power savings of over 30% for AI computing clusters and data center interconnect systems [3][4][92] - The OCS market is expected to grow rapidly, with a projected market size exceeding $2.5 billion by 2029, driven by increasing demand for AI data centers and enhanced customer penetration [4][79] - OCS technology has four main technical routes: MEMS, liquid crystal, piezoelectric, and silicon waveguide, with MEMS being the fastest to commercialize, primarily led by Google [4][14][92] Summary by Sections 1. OCS as a New Photonic Interconnect Technology - OCS technology avoids traditional bandwidth bottlenecks and power losses associated with electrical switching, offering high bandwidth capacity and low latency [3][13] - The four main technical routes for OCS are MEMS, liquid crystal, piezoelectric, and silicon waveguide, each with different cost, performance, and technical difficulty trade-offs [14][92] 2. OCS Applications for AI Data Centers - Google has been at the forefront of developing ASIC chips, with the TPU reaching its seventh generation, indicating a strong push towards integrating OCS technology in data centers [51][64] - The TPU architecture utilizes OCS technology to interconnect thousands of TPU chips, enhancing performance and efficiency [64][71] 3. OCS Industry Chain Company Layout - Various companies are positioned within the OCS industry chain, including Silex, Tengjing Technology, and Zhongji Xuchuang, each focusing on different aspects of OCS technology and components [83][84] - Companies like Lumentum and Coherent are key suppliers for MEMS and liquid crystal OCS solutions, indicating a robust supply chain for OCS technology [4][14][84] 4. Investment Recommendations - The report suggests focusing on companies within the OCS supply chain, particularly those with deep collaborations with leading global firms, such as Zhongji Xuchuang and Guangxun Technology, as they are expected to benefit from the growth in OCS technology [4][90]