> **来源：[研报客](https://pc.yanbaoke.cn)** # Summary of the Document: Semiconductors and OFC 2026 Insights ## Core Content The document provides an analysis of the optical and semiconductor industry trends as highlighted by the Optical Fiber Communication Conference and Exposition (OFC) 2026. It emphasizes the structural shifts in data center interconnects driven by AI and the evolving role of pluggable optics, optical circuit switches (OCS), and new form factors like XPO. ## Main Points ### 1. **AI-Driven Scaling and Data Center Interconnect Evolution** - The OFC 2026 conference highlighted a structural shift in data center interconnects, driven by AI demands. - The industry is moving toward a more diverse toolkit of interconnect solutions to address different constraints: scale-up, scale-out, and system-level efficiency. - **Pluggable optics** remain the core volume architecture, supported by ongoing advancements in 400G/lane technology, module design, and thermal management. ### 2. **Technological Developments and Market Trends** - **800G** continues to be the anchor for current volume deployment. - **1.6T** is in early ramp, while **3.2T** is being defined via 400G/lane. - **Lumentum** and **Coherent** are leading in the expansion of InP (Indium Phosphide) and EML (Electro-Optical Modulator) capacities, signaling the continued importance of these components in high-speed optical modules. - **XPO (eXtended Pluggable Optics)** was introduced by **Arista**, representing an intermediate scaling architecture that allows for higher bandwidth and density without requiring full system redesign. ### 3. **Optical Circuit Switch (OCS)** - OCS is transitioning from a concept to a commercial solution. - **Coherent** estimates a $4 billion market for OCS, positioning it as a key optimization layer in AI data centers. - OCS provides value in **scale-out** and **scale-across** architectures, enabling dynamic bandwidth allocation and improved GPU utilization. - **Lumentum** is guiding OCS toward a $1 billion run rate by 2027, supported by a multi-year, multi-billion-dollar agreement and significant backlog. ### 4. **400G/lane and Electrical Bottlenecks** - The shift to **400G/lane** is moving the bottleneck from optics to electrical components. - **Nvidia's** NVLink roadmap targets 400G SerDes per lane, confirming the demand for higher-speed electrical interfaces. - This suggests that future value may shift toward **DSP (Digital Signal Processing)** and **upstream electrical integration**. ## Key Information - **Innolight** is maintained with a **BUY** rating due to its strong position in the pluggable optics market. - **Lumentum** and **Coherent** are key players in the InP and EML supply chain, with significant capacity expansion plans. - **XPO** and **OCS** are emerging as complementary technologies to pluggable optics, expanding the range of solutions available for high-density AI data centers. - The industry is not converging on a single architecture but is instead adopting a **multi-architecture approach** to meet diverse data center needs. ## Figures and Visuals - **Figure 1**: High-speed lasers: Scaling I/O bandwidth - **Figure 2**: EMLs: Growing volume at 1.6T; setting the standard at 3.2T - **Figure 3**: Expanding OCS use cases to scale AI networking - **Figure 4**: Lumentum's MEMS-based 300x300 OCS - **Figure 5**: XPO pluggable optics structure - **Figure 6**: XPO vs. OSFP comparison ## Analyst Certification and Ratings - The analyst certifies that the views expressed accurately reflect their personal views and that no part of their compensation is tied to the report’s content. - The report maintains a **BUY** rating on Innolight and an **OUTPERFORM** rating on the semiconductor sector. ## Important Disclosures - The report is not investment advice and should be used for informational purposes only. - CMB International Global Markets Limited (CMBIGM) is not a registered broker-dealer in the U.S. and is not subject to U.S. regulations on research reports. - The report is intended for distribution only to "major U.S. institutional investors" and may not be shared with others. - In Singapore, the report is distributed by CMBISG, an Exempt Financial Adviser, and may not be provided to non-accredited investors without legal responsibility. - The information is based on publicly available data and may change without notice. ## Conclusion The document underscores the ongoing evolution in data center interconnect technologies, with a focus on pluggable optics, XPO, and OCS. The industry is expanding its toolkit to meet the demands of AI-driven scaling, with a clear trend toward increased reliance on electrical components and DSP technologies. The semiconductor sector, particularly in high-speed optical modules, is expected to outperform the market, with Innolight as a key beneficiary.