Core Insights - Broadcom is poised to capitalize on the growing demand for co-packaged optics (CPO) in data centers, leveraging its extensive expertise in optical communications acquired through strategic acquisitions [2][3] - The company has made significant advancements in its CPO technology, particularly with the introduction of the Tomahawk series of Ethernet switch ASICs, which promise improved reliability, reduced power consumption, and lower costs [3][5] CPO Technology Development - Broadcom's first-generation "Humboldt" Tomahawk 4 CPO switch chip, launched in January 2021, has a total switching capacity of 25.6 Tbps and features four optical engines providing 12.8 Tbps bandwidth, with power consumption of approximately 6.4 watts per 800 Gb/s port [5] - The second-generation "Bailly" CPO switch ASIC, based on the 51.2 Tbps Tomahawk 5 chip, began shipping in 2023 and has shown a 14.1% reduction in power consumption compared to its predecessor, with 800 Gb/s ports consuming only 5.5 watts [8][9] Reliability and Performance - Meta Platforms has reported successful testing of the Bailly CPO switch, achieving over 1 million device hours without any link jitter, indicating high reliability and performance in real-world applications [13][15] - The average mean time between failures (MTBF) for the optical links in the Bailly CPO system supports the operation of large AI clusters, ensuring that interconnect failures do not become a bottleneck [16][21] Future Innovations - The upcoming "Davisson" TH6 CPO device is expected to further enhance performance, featuring a 102.4 Tbps ASIC with the capability to connect up to 512 ports at 200 Gb/s, significantly improving scalability for AI workloads [9][10] - Davisson's design allows for field-replaceable laser modules, enhancing maintenance and reliability, with power consumption for 800 Gb/s ports reduced to approximately 3.5 watts, a 36.4% decrease compared to the previous generation [10][19] Cost Efficiency - Transitioning from traditional pluggable optical modules to CPO technology can lead to substantial cost savings in power consumption, with estimates suggesting a reduction in operational costs for large-scale deployments [19][23] - The potential savings from adopting CPO technology could cover the costs of additional GPU accelerators, highlighting the financial benefits of improved energy efficiency [19][21]

公众号记得加星标⭐️，第一时间看推送不会错过。 近日，博通宣布其Tomahawk 6 - Davisson（或TH6-Davisson）产品现已上市。这意义重大， 因为这是一款共封装光纤 (CPO) 以太网交换机，可提供惊人的 102.4 Tb/s。而且，随着它的出 现，它将共同封装的光器件带入了下一代网络。 CPO 通过将光转换引擎与交换机 ASIC 并排嵌入，避免了传统可插拔光模块的缺点，信号无需通过 长距离电气线路传输，而是几乎立即耦合到光纤中。因此，电气损耗降低至 4 分贝，每端口功耗降至 9W。这种布局省去了众多可能出现故障的组件，并大大简化了光互连的实施。 在博通看来，共封装光学器件 (CPO) 是一种先进的异构集成技术，将光学器件和硅片集成在单个封 装基板上，旨在应对下一代带宽、功耗和成本挑战。CPO 融合了光纤、数字信号处理 (DSP)、ASIC 以及先进的封装和测试技术，为支持横向扩展和纵向扩展网络的数据中心互连提供颠覆性的系统价 值。 博通进一步指出，如今，可插拔光模块内部需要高功率 DSP，以补偿信号从 ASIC 传输过程中产生 的路径互连损耗。随着 SerDes 技术扩展到 212 G ...

Investment Rating - The report gives a "Recommended" rating for the telecommunications industry, considering the sustained high prosperity of the sector driven by AI, 5.5G, and satellite communications [2][5]. Core Insights - The overall market performance for the telecommunications sector shows a weekly increase of 1.58%, while the broader indices experienced declines [2][10]. - The report highlights a significant upward adjustment in the Total Addressable Market (TAM) for data centers by Marvell, from $75 billion to $94 billion, with a compound annual growth rate (CAGR) of approximately 35% from 2023 to 2028 [3]. - The customized computing market is identified as the largest and fastest-growing segment within the data center hardware market, projected to reach $55.4 billion with a CAGR of about 53% [3]. Summary by Sections Market Overview - The telecommunications sector index increased by 1.58% during the week of June 16-20, 2025, while the Shanghai Composite Index fell by 0.51% [10]. - Among the sub-sectors, communication network equipment and devices saw the highest increase of 3.99%, while communication engineering and services experienced the largest decline of 3.58% [13][14]. Stock Performance - Notable stock performances include Chutianlong with a 36.59% increase, followed by Dongxinheping at 29.68%, and Hengbao Co. at 20.99% [15]. Industry News - LightCounting forecasts a 10% quarter-over-quarter growth in optical module sales, driven primarily by 800G Ethernet modules [17]. - YOLE Group reports that the rapid development of AI is driving the widespread adoption of Co-Packaged Optics (CPO), with the market expected to grow from $46 million in 2024 to $8.1 billion by 2030, reflecting a CAGR of 137% [22]. Key Announcements - The report notes significant corporate announcements, including East Mountain Precision's acquisition of Solstice Optoelectronics for up to $629 million to enhance its optical communication business [33].