GOLDEN SUN SECURITIES·2025-11-09 06:53Investment Rating - The report maintains an "Overweight" rating for the silicon photonics sector, highlighting the potential for significant growth in this technology [7]. Core Insights - Silicon photonics technology is not merely an upgrade in manufacturing processes but represents a comprehensive transformation of the optical module industry, affecting manufacturing methods, cost structures, performance, and overall industry value logic [22][23]. - The demand for AI computing continues to rise, leading to a generational leap in optical module rates towards 1.6T, which further emphasizes the importance of silicon photonics [22]. Summary by Sections Investment Focus - The investment focus is shifting from backend packaging to frontend chip design and wafer manufacturing, with four key areas of interest: fabless silicon chip design companies, silicon modulation chip manufacturers, supporting chips/devices, and semiconductor equipment for silicon photonics [23][24][25]. Market Dynamics - The shortage of EML chips, which rely heavily on III-V compound semiconductor materials, creates a development window for silicon photonics as a mainstream alternative [26]. - Silicon photonics technology is expected to capture a growing market share, projected to rise from 30% in 2025 to 60% by 2030 [22][26]. Performance and Cost Advantages - Silicon photonics offers significant advantages in terms of cost, performance, and production capacity, with a critical point reached where it establishes superiority over traditional solutions [27]. - The technology allows for the integration of multiple optical components on a single chip, leading to reduced transmission losses and higher bandwidth density [27][9]. Industry Outlook - The overall market for optical modules remains robust, with leading companies like Coherent and Lumentum reporting better-than-expected financial results, driven by increased demand from AI data centers [28]. - The report recommends continued investment in the computing sector, particularly in leading optical module companies and related components, as they are well-positioned to benefit from the ongoing expansion of AI computing infrastructure [28][11].