国盛证券:高速率光芯片前景广阔 看好光芯片景气周期
Zhi Tong Cai Jing·2025-12-29 06:53

Core Insights - The global Ethernet optical module market is expected to grow rapidly, with a projected increase of 35% to reach $18.9 billion by 2026, driven by strong demand for AI infrastructure and the application of optical interconnect technology in AI scale-up networks [3][1] - The demand for optical chips, which are essential components of optical modules, is expected to remain tight due to increasing requirements for high-speed optical communication [4][3] Group 1: Optical Chip Market Dynamics - Optical chips, consisting of laser and detector chips, are critical for optical modules, primarily used for optical signal conversion and processing [1] - The EML laser chip market is projected to reach $3.71 billion by 2024 and grow to $7.41 billion by 2030, with a compound annual growth rate (CAGR) of 12.23%, dominated by a few international giants [2][1] - Silicon photonic modules are driving demand for continuous wave (CW) lasers due to their high integration, low power consumption, and suitability for high-speed short-distance transmission [2][1] Group 2: Demand Drivers and Supply Constraints - The demand for optical modules is expected to continue rising, with the global Ethernet optical module market projected to exceed $35 billion by 2030, supported by AI infrastructure and cloud service providers increasing GPU purchases [3][1] - Major companies like Coherent and Lumentum are expanding their production capacities to meet the growing demand for high-speed optical components, with Coherent's production capacity expected to double within a year [4][5] - Tower's silicon photonic business is anticipated to exceed $220 million in revenue by 2025, driven by strong demand for 1.6T products and significant investments in capacity expansion [6][5] Group 3: Company-Specific Developments - Coherent is experiencing strong growth in orders for 800G and 1.6T transceivers, with plans to expand production capabilities in multiple locations [4][1] - Lumentum has set a record for EML laser shipments driven by demand for 100Gbps products and is beginning to deliver CW lasers to 800G optical module manufacturers [5][1] - Broadcom's AI network demand has led to a significant increase in orders for optical components, with a backlog of approximately $73 billion, including $20 billion from network and optical interconnect products [7][1]