CPO概念午后走高 世嘉科技、通富微电等涨停

Group 1 - The CPO concept saw significant gains on the afternoon of the 16th, with companies like Kexiang Co., Ltd. rising approximately 14%, and others such as Sanan Optoelectronics, Kechuan Technology, Changdian Technology, and Tongfu Microelectronics hitting the daily limit, while Robotech rose about 9% to reach a new high [1] - Nvidia announced on January 14 that its GB300 AI server will begin large-scale deliveries in the second quarter of 2026, indicating strong future demand for AI-related products [1] - According to Shanxi Securities, financial reports from North American optical communication companies show robust growth in AI market demand, with Nvidia's bulk shipments of the GB300 expected to significantly increase the demand for 1.6T optical modules [1] Group 2 - The fourth quarter is typically a peak period for capital expenditures among North American CSPs, suggesting that leading optical module manufacturers may experience considerable quarter-on-quarter revenue growth [1] - Supply of core materials such as optical chips has become a bottleneck for North American optical communication companies, while domestic optical communication firms benefit from localized delivery across the entire industry chain [1] - The increase in silicon photonics penetration is expected to accelerate the production of domestic CW silicon photonic source chips, with promising performance anticipated for silicon photonic FAUs and wavelength division multiplexing AWGs in 2026 [1]