KAIYUAN SECURITIES·2025-09-14 02:43Investment Rating - Investment rating: Positive (maintained) [1] Core Insights - The silicon photonics era is accelerating, with leading companies showcasing competitive advantages and numerous new technologies creating investment opportunities [5][12] - The communication industry is experiencing continuous upgrades, with the demand for AI computing driving growth in the optical communication sector [5][12] - The 26th China International Optoelectronic Exposition (CIOE 2025) highlighted the maturity and market focus on silicon photonics technology, which is becoming the mainstream solution for 1.6T high-speed optical modules [5][12] Summary by Sections 1. Investment Outlook - The report emphasizes the competitive advantages of leading companies in the silicon photonics era and the emergence of new technologies such as OCS, hollow-core fibers, thin-film lithium niobate, and CPO [12] - The 800G optical module has become mainstream, with 1.6T expected to ramp up production imminently [13][14] - The report identifies key investment targets including Zhongji Xuchuang, NewEase, and Tianfu Communication, with beneficiaries including Huagong Technology and Guangxun Technology [7][14] 2. Optical Modules - Zhongji Xuchuang has begun mass production of 1.6T optical modules and is developing 3.2T products, while NewEase has significantly ramped up its 1.6T module supply to overseas clients [13][14] - The report notes that 800G has become the mainstream technology, with many manufacturers actively preparing for 3.2T technology [14] 3. Silicon Photonics Technology - The report highlights the rapid development of silicon photonics technology, with increasing market attention and maturity for OCS, CPO, and thin-film lithium niobate technologies [19][20] - Companies like Huagong Technology are advancing their CPO technology, showcasing integrated chips with low power consumption and high bandwidth density [19][20] 4. Optical Chips - The demand for CW laser chips is increasing, with companies like Yuanjie Technology successfully mass-producing CW70mW laser chips [25] - Long光华芯 has released a 200mW Uncool CW DFB optical communication chip to support the silicon photonics integration needs of 800G and 1.6T optical modules [25] 5. Cables - The report notes the gradual advancement of optical and copper cable solutions, with hollow-core fibers gaining attention [27] - Long飞公司 demonstrated a 100km hollow-core fiber link with a low attenuation of 0.089dB/km [27] 6. Investment Recommendations - The report suggests focusing on seven key industry directions for investment, including network equipment, AIDC data center construction, IT equipment, computing power leasing, cloud computing platforms, AI applications, and satellite internet & 6G [31][32] - Recommended targets for optical modules and devices include Zhongji Xuchuang, NewEase, and Tianfu Communication, with beneficiaries such as Yuanjie Technology and Huagong Technology [31][32]