CPO&光纤观点-0223 1、光纤光缆：春节假期，北美光纤和DCI明星股表现强势，其中康宁 （+6%），Ciena（+14%），Nokia（+12%），重视本轮DCI需求提升对北美高端光纤产能的挤占，国内头部企业 光纤价差有望进一步缩小，持续推荐：光纤-#长飞（A+H）、亨通、特发等，DCI-#德科立。 2、CPO&MPO：本周英伟达将发布最新财报，有望对CPO板块形成事件催化。 < 后续主要关注3月中旬GTC大会等。 建议关注#天孚通信 以及MPO产业链（CPO+光纤涨价共振）#太辰光、致尚科技、蘅东光 等。 3、传统光模块：我们认为CPO短期不会替代传统光模块的市场，头部企业业绩兑现度高。 此外，CSP客户推进的NPO方案主要替代铜缆市场，对头部光模块企业而言是增量市场。 根据催化和市场风格切换，上半年我们依旧看好可插拔光模块#旭创/新易盛 主升机会。 4、薄膜铌酸锂：单波400G是3.2T可插拔模块重要技术方案，薄膜铌酸锂调制优势明显，市场关注度稳步提升，3 月底OFC大会可能有相关催化，建议关注#天通股份、安孚科技、光库科技等。 CPO&光纤观点-0223 1、光纤光缆：春节假期，北美光纤和DCI明 ...

Core Concept - Silicon photonics is a hot topic in the optical communication field, with major tech giants like Nvidia, Intel, and Cisco promoting its development, as it is widely believed to be the future of optical communication [1] Group 1: Definition and Importance of Silicon Photonics - Silicon photonics combines silicon semiconductor technology with optical communication, allowing for the integration of optical devices on silicon wafers to facilitate light signal transmission and processing [10] - The technology aims to enhance communication system capabilities by replacing all data transmission channels with optical channels, addressing the limitations of traditional electrical communication [6][10] Group 2: Advantages of Silicon Photonics - High integration: Silicon photonics modules integrate waveguides, modulators, and detectors on a single silicon chip, reducing component count and size by approximately 30%, which is beneficial for high-density networking scenarios like AI computing clusters [46][47] - Cost efficiency: Silicon-based materials are significantly cheaper than III-V materials, with silicon substrate costs being about one-twentieth of InP substrate costs [48] - Lower power consumption: Silicon photonics modules reduce connection losses and typically do not require temperature control systems, leading to a power reduction of about 40% compared to traditional modules [49] Group 3: Applications of Silicon Photonics - Optical communication is the primary application, with silicon photonics expected to dominate in 800G and 1.6T modules, projected to capture 35%-40% and 80% market shares respectively [56][58] - LiDAR technology for autonomous driving and industrial automation is another significant application, driven by the demand for low-cost, compact, and stable laser radar systems [59] - Optical computing is emerging as a promising area, leveraging the unique advantages of silicon photonics for parallel processing and low latency, particularly in AI algorithms [61] - Biosensing is a new application direction, where silicon photonics can create high-sensitivity sensors for portable medical diagnostics [62] Group 4: Market Outlook - The silicon photonics market is projected to exceed $6 billion by 2025, with an annual growth rate of over 40%, and is expected to reach $7.86 billion by 2030, with a compound annual growth rate of 25.7% [58]