Core Insights - Google is implementing a cutting-edge architecture for AI clusters that utilizes Optical Circuit Switches (OCS) and high-speed copper cables for short-distance interconnections, while employing an all-optical network for data transmission across cabinets [3] - The design of the AI clusters requires sufficient 800G/1.6T optical modules, with TrendForce estimating that Google will ship nearly 4 million TPUs by 2026, leading to a demand for over 6 million optical modules exceeding 800G [3] - The Apollo OCS technology offers significant advantages in energy efficiency and cost-effectiveness, with a single OCS switch consuming approximately 95% less power compared to traditional switches [3] Supply Chain Analysis - Leading suppliers such as InnoLight and Eoptolink are expected to capture nearly 80% of Google's orders for optical modules exceeding 800G, due to their collaboration with Google on silicon photonics and the 1.6T platform [4] - Lumentum plays a crucial role in the OCS system and MEMS supply, with its capacity planning impacting the implementation pace of Apollo OCS [4] - The increasing demand for data transmission between cabinets and clusters necessitates advancements in high-speed optical modules and laser components, which will be critical for expanding computing power and managing costs [4]

Core Insights - The article discusses the advancements in high-speed interconnect technology driven by AI demands, particularly focusing on Google's new Ironwood cabinet system and its integration with Apollo OCS optical networks, which is expected to significantly increase the global shipment share of 800G optical transceivers from 19.5% in 2024 to over 60% by 2026, establishing it as a standard in AI data centers [2][5]. Group 1: Technology Advancements - Google's Ironwood cabinet system utilizes a combination of 3D Torus network topology and Apollo OCS full optical networks to create a high-speed interconnect architecture [2]. - The architecture allows for short-distance interconnects using high-speed copper cables within the cabinet, while long-distance data transmission between cabinets is handled by optical networks [5]. - The design emphasizes energy efficiency, with Apollo OCS technology using micro-electromechanical systems (MEMS) to connect data fibers directly, reducing power consumption from approximately 3000 watts for traditional switches to about 100 watts for a single OCS switch, a reduction of about 95% [5]. Group 2: Market Implications - TrendForce estimates that Google's TPU shipments will reach nearly 4 million units by 2026, leading to a demand for over 6 million units of 800G optical transceivers [5][6]. - The transition from 800G to 1.6T bandwidth can be achieved by simply replacing high-speed optical modules, making upgrade costs more competitive without the need for a complete system overhaul [6]. - Key suppliers like Innolight and Eoptolink are expected to capture nearly 80% of Google's orders for 800G optical modules, while Lumentum plays a crucial role in the OCS system and MEMS supply chain, impacting the implementation pace of Apollo OCS [6]. Group 3: Future Outlook - As computational power continues to grow, the demand for data transmission between cabinets and clusters will also increase, making the evolution and supply of high-speed optical modules and laser components a critical factor in determining the speed and cost of computational expansion, alongside GPUs and memory [6].

Group 1 - The core viewpoint of the articles highlights the significant rise in optical communication concept stocks in the U.S. market, driven by advancements in Co-Packaged Optics (CPO) technology and supportive government policies [1][2]. - Companies such as Credo Technology, Corning, Ciena Technologies, and Lumentum have shown notable stock price increases, indicating strong market interest in optical communication technologies [1]. - NVIDIA is advancing the scale deployment of CPO technology to address the growing power consumption and reliability challenges of AI supercomputers, integrating optical engines into the same package as switching chips [1]. Group 2 - In the A-share market, as of February 6, ten CPO concept stocks have received net financing purchases exceeding 100 million yuan, with Tianfu Communication and Zhongji Xuchuang leading at 2.542 billion yuan and 2.21 billion yuan respectively [2]. - Tianfu Communication has reported that its 1.6T optical engine products have entered normal delivery stages, and the company is coordinating supply chain resources to enhance production capacity [2]. - New Yisong expects to achieve a net profit attributable to shareholders of 9.4 billion to 9.9 billion yuan by 2025, representing a year-on-year growth of 231.24% to 248.86%, and has successfully mass-produced and delivered 1.6T optical module products [2].

Core Viewpoint - Lumentum is positioned as a key beneficiary in the ongoing competition between Google's TPU and NVIDIA's GPU, with strong financial performance and growth prospects indicating a bullish outlook for the company [3][10]. Financial Performance - Lumentum reported a net revenue of $665.5 million for the quarter ending December 27, 2025, representing a year-over-year increase of 65.5%, exceeding market expectations [4]. - The company provided guidance for the next quarter, projecting revenue between $780 million and $830 million, which translates to an expected year-over-year growth of over 85% and a quarter-over-quarter increase of approximately 22% [4][6]. - Analysts from Morgan Stanley have raised Lumentum's future earnings forecast, predicting a compound annual growth rate (CAGR) of 158% from fiscal year 2025 to 2027 [7]. Market Position and Competitive Advantage - Lumentum specializes in manufacturing critical components for optical communication, including lasers and optical transceivers, which are essential for AI data centers and cloud networks [9][10]. - The company is uniquely positioned to benefit from both the TPU and GPU ecosystems, as both require high bandwidth, low latency, and energy-efficient interconnects [10][12]. - Lumentum's core technology advantages lie in its ability to produce foundational light sources and high-speed devices, which are integrated into various optical modules and communication systems [9][10]. Industry Trends and Future Outlook - The demand for optical circuit switching (OCS) and co-packaged optics (CPO) is expected to grow significantly, with Lumentum poised to capitalize on this trend as AI data centers expand [6][12]. - The company has received substantial incremental orders in the CPO sector, with products scheduled for delivery in the first half of 2027, indicating strong future demand [7]. - Analysts anticipate that the transition to optical interconnect technologies will become a standard infrastructure in AI data centers, further solidifying Lumentum's market position [12].

Summary of Key Points from the Conference Call Industry Overview - **Industry Focus**: The conference call primarily discusses the Chinese optical transceiver market and its relation to the US Cloud Service Providers (CSPs) capital expenditure (capex) trends, particularly in optical technologies [1][2]. Core Insights - **US CSP Capex Growth**: The top four US CSPs are expected to see significant growth in their 2026 capex, with Meta projecting US$115-135 billion (70%+ YoY growth), Microsoft showing sequential growth, Amazon estimating around US$200 billion (+55% YoY), and Google forecasting US$175-185 billion [2]. - **Optical Transceiver Demand**: There is a strong anticipated growth in the demand for 800G and 1.6T optical transceivers, with 1.6T expected to grow more rapidly than 800G in 2026 [3]. - **OCS Market Potential**: The Optical Circuit Switch (OCS) market is projected to exceed US$2 billion by 2030, with increasing applications in scale-out and scale-up networks [4]. - **CPO Deployment**: Coherent and Lumentum are actively engaging in the deployment of Coherent Passive Optical (CPO) technologies, with initial deployments expected in scale-out networks, transitioning to scale-up by late 2027 [8]. - **NPO Development**: The Non-Pluggable Optical (NPO) solutions are gaining traction, with CSPs showing interest due to their lower costs and better yields compared to CPO [9]. Market Sentiment and Future Outlook - **Demand Visibility for 2027**: There is optimism regarding demand for optical technologies into 2027, with customers likely to secure capacity earlier due to significant needs [5]. - **Potential Risks**: The market reacted negatively to the potential for earlier-than-expected CPO scale-up and high earnings expectations among optics companies, but sentiment may improve with better visibility towards 2027 demand [1]. Investment Preferences - **Preferred Companies**: The report suggests a preference for TFC Optical over Eoptolink, indicating a strategic investment focus based on the anticipated growth in optical technologies [1]. Risks to Consider - **Downside Risks**: Key risks that could impede stock performance include slower-than-expected data center investments, lower optical network capex in China, margin pressures from price competition, and geopolitical tensions such as China-US tech disputes [13][15]. Valuation Insights - **Target Prices**: - Eoptolink Technology is valued at Rmb472 based on a 24.0x FY26E P/E ratio, reflecting strong growth expectations in the optical market [12]. - Suzhou TFC Optical Communication has a target price of Rmb222/share, based on a 30.0x FY26E P/E, factoring in the strength of 1.6T and new customer contributions [14]. This summary encapsulates the key points discussed in the conference call, highlighting the growth potential in the optical transceiver market, the significant capex from US CSPs, and the associated risks and investment preferences.

温晗静 中金公司科技硬件分析师: 那我是中金公司科技硬件组分析师温涵静，欢迎大家在每周日的晚上 8:30 来参加我们的 电子掘金会议。我们这周的主题，还是聚焦在两个方面吧。一方面是聚焦在大家比较关心 的，最近波动比较大的这个海外算力链。另一方面，可能更多的会聚焦在近期大家比较关 心的这个光模块，包括 CPU 的一些话题上。所以我们今天的汇报也会分成这两个部分。 那在第一个部分海外算力的部分，会由我和同事佳彤一起向各位汇报一下近期围绕算力定 的一些分歧。一方面我们看到海内外的这个模型其实是在加速发布的，不管是说海外的新 的这个模型，以及世界模型等等。 另外一方面，国内包括像，C 这其他的一些国内的这个外卖大战，包括所谓的这个 AI 的 变化还是比较多的。但是从另一方面来讲，我们看到上周的这个美股的市场也是有一个巨 幅的波动。那随着算力链的公司财报陆续发布，其实我们也看到了很多的这个 CSP 的资本 开支的继续上修。那在这样的一个分歧比较大的情况下，我们还是去聚焦在对海外算力链 的一个关注上，去汇报一下我们的基本的观点。首先从上周的整个的海外算力链的波动的 角度来看的话，目前我们看到大家没有一个一致的这个答案，可 ...

Core Insights - Silicon photonics technology is transforming data centers, with significant changes expected in the future [1] - The market for optical devices is projected to grow significantly, driven by advancements in artificial intelligence networks [3][25] - The transition from copper cables to fiber optics is underway, with major companies like Corning and Meta making substantial investments [7][12] Market Growth - The optical device market has grown from several billion dollars in 2003 to approximately $13 billion in 2023, with expectations to reach $25 billion by 2030 [3] - CignalAI forecasts the market will reach $31 billion by 2029, indicating robust growth in the sector [3] - Coherent's investor report predicts the pluggable optical device market will grow from $6 billion in 2023 to $25 billion by 2030 [12] Technology Advancements - Silicon photonics integrates previously disparate photonic devices into improved CMOS processes, enhancing data transmission capabilities [6] - The use of single-mode fiber (SMF) is prevalent in optical communications, with various wavelength bands utilized for low signal loss [9][11] - Coherent and Lumentum are key players in the optical circuit switch (OCS) technology market, with potential market sizes being revised upwards due to increasing customer interest [15] Industry Dynamics - Companies like Nvidia and Broadcom are set to launch Ethernet switches using co-packaged optical devices (CPO) to reduce power consumption [16] - The shift towards CPO is driven by its energy efficiency, which is one-third of that of pluggable devices, making it significant for large-scale applications [18][25] - TSMC is positioned to become a leading silicon photonics foundry, with projected revenues from silicon photonics expected to exceed $1 billion by the end of the decade [21][26] Competitive Landscape - GlobalFoundries has claimed the top position in silicon photonics foundry services, with a focus on long-haul coherent applications [21] - Tower Semiconductor is also a significant player, offering an open platform for silicon photonics that caters to a growing market [23][24] - The silicon photonics industry is expected to see rapid growth, with projections indicating an eightfold increase in foundry revenues from 2026 to 2032 [25]

Summary of Conference Call Notes Industry Overview - The focus is on the North American CSP (Cloud Service Provider) capital expenditure, which is experiencing strong growth. The report emphasizes the importance of the CPO (Coherent Photonic Optics) and fiber optic industries [1][2]. Key Points 1. **Acceleration of CPO Development** - Lumentum has announced that it has secured several hundred million dollars in orders related to CPO. - Expected revenue from CPO is projected to be approximately $50 million in Q4 2026, with a significant surge anticipated in the first half of 2027. - The report suggests paying attention to the CPO supply chain, including components such as optical engines, FAU, laser ELS, MPO, shuffle boxes, and polarization-maintaining fibers. - Relevant companies in this space include Tianfu Communication, Yuanjie Technology, Shijia Photonics, Taicheng Light, Changfei Fiber, Changying Tong, and Robotek [1][2]. 2. **Fiber Optic Industry Transition** - The fiber optic cable industry has shifted from recovery to a phase characterized by "tight supply and simultaneous increase in volume and price." - As a capital-intensive industry, it is expected that new capacity will be difficult to add in the short term, leading to continued price increases. - Companies with optical fiber rod production capacity, such as Changfei Fiber, Hengtong Optic-Electric, Zhongtian Technology, and Fenghuo Communication, are recommended for focus. - Additionally, companies with significant fiber optic capacity or specialized fiber optics, such as Tefa Information and Changying Tong, are also highlighted [2]. 3. **Strong Capital Expenditure Growth Among CSPs** - Four major North American CSPs are expected to maintain strong capital expenditure growth through Q4 2025, with optimistic guidance for future capital expenditures. - All companies expressed a consensus on the "strong demand for AI and tight supply of computing power." - The overseas AI computing power supply chain is viewed positively, while the domestic AI competition is ongoing, with issues such as traffic congestion during Alibaba's Qianwen event noted. - Attention is also recommended for the domestic computing power supply chain [2]. Additional Recommendations - The report recommends specific companies for investment consideration: Zhongji Xuchuang, Tianfu Communication, Changfei Fiber, Hengtong Optic-Electric, Zhongtian Technology, and Yuanjie Technology [3].

智通财经APP获悉，"谷歌TPU AI算力链"的最核心参与者，同时也是"英伟达AI GPU系AI算力链"不可 或缺光模块组件供应商的Lumentum(LITE.US)自从公布强劲季度业绩与未来展望之后，看涨该公司股价 强劲延续2025年牛市轨迹的金融机构可谓越来越多。Lumentum全年股价涨幅高达340%——乃全球股 市毋庸置疑的AI算力主题"超级大牛股"，今年以来股价已经涨超56%。 这家总部位于美国的光模块技术领军者，堪称是"谷歌TPU vs 英伟达GPU"这场可能持续多年交锋的"最 强受益主题之一"，两者强强抗衡或者某一方进入绝对领先优势，对于光模块主题而言都是长期利好。 来自GF Securities的资深分析师Jeff Pu在最新发布的研报中表示，Lumentum将能够从"AI芯片超级霸 主"英伟达(NVDA.US)加速使用共封装光学技术(即CPO)大趋势中持续受益。 据中心各种光模块和光通信系统中。 上周Lumentum公布的最新业绩报告显示，得益于光路交换机(OCS)和CPO领域的持续强劲需求， Lumentum不仅交出了一份营收与实际利润双超预期的成绩单，更给出了高达85%同比增长的下季度指 ...

Group 1 - Lumentum has secured several hundred million dollars in CPO-related orders, expecting CPO revenue of approximately $50 million in Q4 2026, with a significant surge anticipated in the first half of 2027 [2][3][14] - The CPO supply chain is recommended for attention, including components such as optical engines, FAU, laser ELS, MPO, Shuffle box, and polarization-maintaining fibers [2][13] - The optical fiber industry has shifted to a phase of "tight supply and rising prices," with a focus on companies with optical rod capacity and those with significant or specialty fiber production [5][16] Group 2 - North American CSPs are showing strong growth in capital expenditures, with a total of $127 billion for Q4 2025, representing a 60% year-over-year increase and a 12% quarter-over-quarter increase [6][16] - Amazon, Google, and Meta have optimistic capital expenditure guidance for 2026, with a combined expected spending of approximately $505 billion, a 71% year-over-year increase [6][18] - The AI demand is robust, with Amazon's Q4 2025 capital expenditure at $39.5 billion, a 42% year-over-year increase, and an expected $200 billion in 2026, primarily directed towards AI [17] Group 3 - The domestic AI market is experiencing a "red envelope war," with Alibaba's promotional event generating over 10 million orders in just 9 hours, indicating a significant demand for AI resources [10][19] - By December 2025, the user base for generative AI in China is projected to reach 602 million, with a penetration rate of 42.8%, suggesting substantial growth potential [10][19] - 2026 is anticipated to be a pivotal year for AI applications, driving further growth in computational power and model training [10][19]