概念研究所-CPO和可拔插光模块的区别
Xin Lang Cai Jing·2026-02-06 06:54

Core Viewpoint - CPO technology is emerging as a key solution for the next generation of AI infrastructure, driven by the need for high-speed data interconnectivity in AI model training, while traditional pluggable optical modules face significant limitations in power consumption, density, and cost [1][2][3][4]. Group 1: Differences Between CPO and Pluggable Optical Modules - CPO (Co-Packaged Optics) integrates optical engines with switching chips on the same substrate, enhancing performance and efficiency at the cost of modularity [1]. - Pluggable optical modules are standardized, hot-swappable components that prioritize flexibility but incur connection losses [1]. - The fundamental difference lies in "integration" versus "separation," with CPO aiming for maximum performance and efficiency [1]. Group 2: Impact of AI on CPO Demand - The explosion of AI model training has led to a surge in demand for optical interconnects, with sales of AI-related optical devices expected to grow significantly from 2023 to 2025 [2]. - Traditional pluggable solutions face three major bottlenecks: power consumption, density limitations, and escalating costs due to high-speed requirements [2][3]. Group 3: Changes in the Industry Chain Due to CPO - CPO represents not just a product upgrade but a reconfiguration of the optical communication industry chain, shifting value towards silicon photonics and advanced packaging [5]. - The traditional modular approach is being replaced by a collaborative design that integrates optics, electronics, and packaging, breaking down barriers between switch manufacturers, chip makers, and optical module producers [5]. - There are opportunities for domestic companies to catch up in key areas like silicon photonics and high-speed lasers, despite current low domestic production rates [5]. Group 4: Market Demand and Technical Outlook - The global CPO technology market is projected to grow rapidly, from approximately $46 million in 2024 to about $947 million by 2031, reflecting a compound annual growth rate of 41.9% [7]. - CPO is expected to penetrate 2.9%, 9.5%, and 50.6% of the 800G, 1.6T, and 3.2T optical module markets by 2029, respectively [7]. - In the short term, pluggable modules will remain dominant, but CPO is anticipated to become the preferred solution for AI networks as demand scales up post-2026 [7]. Group 5: Investment Strategies in AI Computing Power - The rise of CPO technology signifies a shift in hardware logic, suggesting that investors may consider diversified exposure to the AI hardware supply chain through index tools [8]. - Specific investment vehicles include ETFs that track AI-related indices, covering a range of companies involved in AI chips, software, and applications [8].