The Global Co-Packaged Optics Market 2026-2036

1.1 Report Overview and Key Findings
1.2 Market Definition and Scope
1.2.1 Definition of Co-Packaged Optics (CPO)
1.2.2 Scope of This Report
1.3 Key Market Drivers and Restraints
1.4 Modern High-Performance AI Data Centre Architecture
1.4.1 Physical Infrastructure Hierarchy
1.4.2 Network Architecture
1.4.3 Power and Cooling Considerations
1.5 Switches: Key Components in Modern Data Centres
1.5.1 Switch Architecture Evolution
1.5.2 Switch ASIC Technology
1.5.3 Optical Transceiver Requirements
1.6 Advancements in Switch IC Bandwidth and the Need for CPO Technology
1.6.1 Historical Bandwidth Scaling
1.6.2 SerDes Technology Evolution
1.6.3 Electrical Signalling Limits
1.6.4 Front-Panel Density Constraints
1.6.5 Power Consumption Trajectory
1.7 Overview of Key Challenges in Data Centre Architectures
1.7.1 Thermal Management
1.7.2 Power Delivery
1.7.3 Cable Management
1.7.4 Reliability and Serviceability
1.7.5 Standards and Interoperability
1.8 Key Trend of Optical Transceivers in High-End Data Centres
1.8.1 Historical Evolution
1.8.2 Technology Migration Path
1.9 Design Decisions: CPO vs. Pluggables Comparison
1.9.1 Performance Comparison
1.9.2 Operational Comparison
1.9.3 Economic Comparison
1.10 What is an Optical Engine (OE)?
1.10.1 Functional Description
1.10.2 Optical Engine Components
1.10.3 Performance Parameters
1.11 Heterogeneous Integration and Co-Packaged Optics
1.11.1 The Heterogeneous Integration Imperative
1.11.2 Integration Approaches for CPO
1.11.3 TSMC's Role in Heterogeneous Integration
1.15 Overview of Interconnection Techniques in Semiconductor Packaging
1.15.1 Wire Bonding
1.15.2 Flip-Chip Bumping
1.15.3 Micro-Bumping
1.15.4 Through-Silicon Via (TSV)
1.15.5 Hybrid Bonding
1.15.6 Redistribution Layer (RDL)
1.16 Key CPO Applications: Network Switch and Computing Optical I/O
1.16.1 Scale-Out Network Switching
1.16.2 Scale-Up Computing Optical I/O
1.17 EIC/PIC Integration by Advanced Interconnect Techniques
1.17.1 Integration Requirements
1.18 2D to 3D EIC/PIC Integration Options
1.18.1 2D Integration Architecture
1.18.2 2.5D Integration Architecture
1.18.3 3D Integration Architecture
1.19 Benchmark of Different Packaging Technologies for EIC/PIC
1.20 Examples of Packaging a 3D Optical Engine with an IC
1.20.1 Configuration 1: EIC-on-PIC with Micro-Bumps
1.20.2 Configuration 2: PIC-on-EIC with Through-Silicon Vias
1.20.3 Configuration 3: 3D SoIC with Hybrid Bonding
1.21 Types of CPO XPU/Switch ASIC Packaging Structures
1.21.1 Type I: Optical Engines on Package Periphery
1.21.2 Type II: Optical Engines Co-Located with ASIC on Interposer
1.21.3 Type III: 3D Stacked Optical Engines
1.22 Challenges and Future Potential of CPO Technology
1.22.1 Technical Challenges
1.22.2 Commercial Challenges
1.22.2.1 Future Potential
1.23 NVIDIA vs. Broadcom: Strategic Comparison in AI Infrastructure and CPO
1.23.1 NVIDIA's CPO Strategy: Vertical Integration
1.23.2 Broadcom's CPO Strategy: Open Ecosystem
1.23.3 Competitive Dynamics
1.23.4 CPO Product Benchmark: NVIDIA vs. Broadcom
1.23.5 NVIDIA and Broadcom: Divergent CPO Ecosystems
1.24 Current AI System Architecture
1.24.1 NVIDIA DGX/HGX Architecture
1.25 Future AI Architecture
1.26 Market Forecast
1.26.1 Server Boards, CPUs, and GPUs/Accelerators
1.26.2 Optical I/O for AI Interconnect CPO Forecast (Units Shipped)
1.26.3 Optical I/O for AI Interconnect CPO Forecast (Revenue/Market Size)
1.26.4 CPO Network Switches for AI Accelerators Forecast (Units Shipped)
1.26.5 CPO Network Switches for AI Accelerators Forecast (Market Size and Revenue)
1.26.6 Total CPO Market Overview
1.26.7 Total CPO by Different EIC/PIC Integration Technology (Unit Shipments)
1.26.8 System Integration of Network Switches by Packaging Technologies
1.26.9 System Integration of Optical I/O Forecast by Packaging Technologies
1.27 Co-packaged optics (CPO) industrial ecosystem
1.27.1 PIC Design Segment
1.27.2 ASIC and xPU Design Segment
1.27.3 Laser Sources Segment
1.27.4 SOI Wafer and Epi-Wafer Segment
1.27.5 EIC, Retimers, SerDes, and PHY Segment
1.27.6 Connectors and Fibers Segment
1.27.7 Foundries Segment
1.27.8 Packaging, Assembling, and Testing Segment
1.27.9 System and Equipment Segment
1.27.10 End Customers (Hyperscalers) Segment
1.27.11 Ecosystem Interdependencies and Strategic Implications

2.1 The Rise and Challenges of Large Language Models (LLMs)
2.1.1 The Explosive Growth of AI and Generative AI
2.1.1.1 Historical Context and Acceleration
2.1.1.2 Compute Demand Scaling
2.1.1.3 Generative AI Market Expansion
2.1.2 Modern High-Performance AI Data Centre Requirements
2.1.2.1 Compute Density Requirements
2.1.2.2 Network Topology Requirements
2.1.2.3 Availability and Reliability Requirements
2.1.3 NVIDIA's State-of-the-Art AI Systems
2.1.3.1 DGX H100 and HGX H100
2.1.4 Switches: Key Components in Modern Data Centres
2.1.4.1 Switch Hierarchy in AI Data Centres
2.2 Scale-Up, Scale-Out, and Scale-Across Networks
2.2.1 Scale-Up Networks: GPU-to-GPU Interconnects
2.2.1.1 NVIDIA NVLink Implementation
2.2.1.2 CPO Value Proposition for Scale-Up
2.2.2 Scale-Out Networks: Rack-to-Rack Communications
2.2.2.1 Ethernet-Based Scale-Out
2.2.2.2 InfiniBand for AI
2.2.2.3 CPO Value Proposition for Scale-Out
2.2.3 Scale-Up, Scale-Out, and Scale-Across Comparison
2.3 Challenges in Network Switch Interconnects for High-End Data Centres
2.3.1 Roadmap of Interconnect Technology for Network Switches in High-End Data Centres
2.3.1.1 Technology Generations
2.3.2 SerDes Bottleneck in High-Bandwidth Systems
2.3.2.1 SerDes Function
2.3.2.2 Channel Loss Challenges
2.3.3 Solutions to SerDes Bottlenecks in High-Bandwidth Systems
2.3.3.1 Linear-Drive Electronics
2.3.3.2 Near-Package Optics
2.3.3.3 Co-Packaged Optics
2.3.4 Pluggable Optics: Current Bottlenecks and Limitations
2.3.4.1 Form Factor Constraints
2.3.4.2 Electrical Interface Limitations
2.3.4.3 Thermal Management Challenges
2.3.4.4 Serviceability Trade-offs
2.3.5 On-Board Optics (OBO)
2.3.6 Co-Packaged Optics (CPO)
2.3.6.1 CPO Architecture
2.3.6.2 Key Enabling Technologies
2.3.6.3 Performance Benefits
2.3.6.4 Implementation Challenges
2.3.7 Transmission Losses in Pluggable Optical Transceiver Connections
2.3.7.1 Total Path Loss
2.3.8 Pluggable Optics vs. CPO
2.3.9 Design Decisions for CPO Compared to Pluggables
2.3.10 Advancements in Switch IC Bandwidth and the Need for CPO Technology
2.3.10.1 Bandwidth Scaling Trajectory
2.3.10.2 Physical Constraints at Scale
2.3.11 L2 Frontside Network Architecture Diagram: CPO vs. Non-CPO
2.4 Challenges in Compute Switch Interconnects (Optical I/O) for High-End Data Centres
2.4.1 Number of Copper Wires in Current AI System Interconnects
2.4.1.1 NVLink Copper Cable Count
2.4.1.2 SuperPOD Cable Complexity
2.4.2 Limitations of Current Copper Systems in AI
2.4.3 NVIDIA's Connectivity Choices: Copper vs. Optical for High-Bandwidth Systems
2.4.3.1 Current Generation: Copper-Centric
2.4.3.2 Transition Generation: Hybrid Approach
2.4.3.3 Future Generation: Optical-First
2.4.3.4 Strategic Implications
2.4.4 Copper vs. Optical for High-Bandwidth Systems: Benchmark
2.4.5 Migration from Copper to Optical Interconnects for High-End AI Systems
2.4.6 Current AI System Architecture
2.4.7 L1 Backside Compute Architecture with Copper Systems
2.4.8 L1 Backside Compute Architecture with Optical Interconnect: Co-Packaged Optics (CPO)
2.4.9 Opportunities for Swapping Copper to Optical
2.5 Future AI Systems in High-End Data Centres
2.5.1 Power Efficiency Comparison: CPO vs. Pluggable Optics vs. Copper Interconnects
2.5.1.1 Power Consumption Breakdown
2.5.2 Latency of 60cm Data Transmission Technology Benchmark
2.5.3 Future AI Architecture (Short to Mid-Term)
2.5.4 Future AI Architecture (Long-Term)

3.1 Photonic Integrated Circuits (PICs) Key Concepts
3.1.1 What are Photonic Integrated Circuits (PICs)?
3.1.1.1 Fundamental Definition
3.1.1.2 Material Platforms
3.1.1.3 Integration Levels
3.1.2 PICs vs. Silicon Photonics: What are the Differences?
3.1.2.1 Silicon Photonics: A Specific Implementation
3.1.2.2 Why Silicon Photonics Dominates CPO
3.1.3 PIC Architecture
3.1.3.1 Transmit Path Architecture
3.1.3.2 Receive Path Architecture
3.1.3.3 Supporting Functions
3.1.4 Advantages and Challenges of PICs
3.2 Optical Engine (OE)
3.2.1 What is an Optical Engine?
3.2.1.1 Optical Engine Composition
3.2.1.2 Optical Engine vs. Pluggable Transceiver
3.2.2 How an Optical Engine Works
3.2.2.1 Transmit Path Operation
3.2.2.2 Receive Path Operation
3.2.2.3 Critical Performance Parameters
3.2.3 Optical Power Supplies
3.2.3.1 Why External Laser Sources?
3.2.3.2 External Laser Source Architectures
3.2.3.3 Optical Power Delivery
3.3 Co-Packaged Optics
3.3.1 Three Key Concepts in Co-Packaged Optics (CPO)
3.3.1.1 Concept 1: Proximity Integration
3.3.1.2 Concept 2: Functional Partitioning
3.3.1.3 Concept 3: Coherent Ecosystem Development
3.3.2 Key Technology Building Blocks for CPO
3.3.2.1 Silicon Photonics PIC
3.3.2.2 Electronic IC (EIC)
3.3.2.3 EIC-PIC Integration
3.3.2.4 Fibre Array Units (FAUs)
3.3.2.5 External Laser Source
3.3.2.6 Advanced Packaging Platform
3.3.3 Benefits of CPO: Latency Reduction
3.3.3.1 Sources of Latency in Optical Interconnects
3.3.3.2 CPO Latency Advantages
3.3.4 Benefits of CPO: Power Consumption Reduction
3.3.4.1 Power Consumption Breakdown
3.3.4.2 Why CPO Consumes Less Power
3.3.5 Benefits of CPO: Data Rate Improvements
3.3.5.1 Pluggable Scaling Limitations
3.3.5.2 CPO Scaling Advantages
3.3.5.3 Data Rate Scaling Roadmap
3.3.6 Overview of Value Proposition of CPO
3.3.6.1 Value for Hyperscale Data Centre Operators
3.3.6.2 Value for Network Equipment Vendors
3.3.6.3 Value for the Technology Ecosystem
3.3.7 Future Challenges in CPO
3.3.7.1 Manufacturing and Yield Challenges
3.3.7.2 Thermal Management Challenges
3.3.7.3 Serviceability and Reliability Challenges
3.3.7.4 Ecosystem and Standardisation Challenges
3.3.7.5 Cost Challenges
3.4 CPO Standards
3.4.1 OIF Co-Packaging Framework
3.4.2 OIF Standards for 1.6T and 3.2T CPO Module
3.4.3 External Laser Small Form Pluggable (ELSFP) Implementation Agreement
3.4.4 Telemetry and Management
3.4.5 OIF's CEI-112G XSR / XSR PAM4
3.4.6 UCIe Standard and Its Relationship to CPO
3.4.7 The CPO Standards Process in China

4.1 Introduction to CPO Packaging
4.1.1 Key Components to be Packaged in an Optical Transceiver
4.1.1.1 Photonic Integrated Circuit (PIC)
4.1.1.2 Electronic Integrated Circuit (EIC)
4.1.1.3 Laser Source Interface
4.1.1.4 Fibre Array Unit (FAU)
4.1.1.5 Host ASIC Interface
4.1.2 Heterogeneous Integration and Co-Packaged Photonics
4.1.2.1 Why Heterogeneous Integration for CPO?
4.1.2.2 Heterogeneous Integration Approaches for CPO
4.1.2.3 Integration Hierarchy for CPO
4.1.3 CPO for Network Switch: Packaging Concept
4.1.3.1 Switch Architecture with CPO
4.1.3.2 Package Configuration Options
4.1.3.3 Packaging Requirements for Switch CPO
4.1.4 1.6 Tbps Co-Packaged Optics for Network Switch
4.1.4.1 Integration Approach
4.1.5 CPO as Optical I/O for XPUs: Packaging Concept
4.1.5.1 The Scale-Up Interconnect Challenge
4.1.5.2 XPU-CPO Packaging Concept
4.1.5.3 Implementation Approaches
4.1.5.4 NVIDIA's Approach to XPU Optical I/O
4.1.5.5 Packaging Implications for XPU Optical I/O
4.1.5.6 System Architecture Evolution
4.1.6 CPO Integration for Compute Silicon
4.1.6.1 System Configuration
4.1.6.2 Integration Architecture
4.1.6.3 Thermal Partitioning
4.1.6.4 Enabled Architectures
4.1.7 Overview of CPO Packaging Technologies
4.2 Overview and Development Roadmap of 2.5D and 3D Advanced Semiconductor Packaging Technologies
4.2.1 Evolution Roadmap of Semiconductor Packaging
4.2.2 Semiconductor Packaging Overview
4.2.3 Key Metrics for Advanced Semiconductor Packaging Performance
4.2.4 Overview of Interconnection Techniques in Semiconductor Packaging
4.2.5 Overview of 2.5D Packaging Structure
4.2.6 2.5D Package Components
4.2.7 Benefits for CPO
4.2.8 Challenges for CPO
4.3 2.5D Silicon-Based Packaging Technologies
4.3.1 2.5D Packaging Involving Silicon as Interconnect
4.3.2 Silicon Interposer Technology
4.3.3 Silicon Bridge Technology
4.3.4 CPO Implications
4.3.5 Through-Silicon Via (TSV): Current State and Future
4.3.5.1 TSV Fabrication Process
4.3.5.2 TSV Technology Generations
4.3.5.3 TSV Challenges for CPO
4.3.5.4 Future TSV Development
4.3.6 Development Trends for 2.5D Silicon-Based Packaging
4.3.6.1 Interposer Size Scaling
4.3.6.2 Routing Density Advancement
4.3.6.3 Cost Reduction Initiatives
4.3.6.4 Integration with Advanced Features
4.3.7 Silicon Interposer vs. Silicon Bridge Benchmark
4.3.7.1 Implications for CPO
4.4 2.5D Organic-Based Packaging Technologies
4.4.1 2.5D Packaging: High-Density Fan-Out (FO) Packaging
4.4.1.1 Fan-Out Technology Concept
4.4.1.2 High-Density Fan-Out Variants
4.4.1.3 Advantages for CPO
4.4.1.4 Challenges for CPO
4.4.2 Redistribution Layer (RDL)
4.4.2.1 RDL Fabrication Process
4.4.2.2 RDL Design Considerations for CPO
4.4.3 Electronic Interconnects: SiO2 vs. Organic Dielectric
4.4.4 Panel Level Fab-Out
4.4.4.1 Panel-Level Processing
4.4.4.2 Advantages for CPO
4.4.4.3 Challenges for CPO
4.4.5 Wafer Level Fan-Out
4.4.5.1 Wafer-Level Processing
4.4.5.2 Advantages for WLFO
4.4.5.3 Challenges for WLFO
4.4.6 Wafer-Level Fan-Out vs. Panel-Level Fan-Out
4.4.6.1 Selection Criteria for CPO
4.4.7 Key Trends in Fan-Out Packaging
4.4.8 Challenges in Future Fan-Out Processes
4.4.8.1 Die Shift and Placement Accuracy
4.4.8.2 Warpage Control
4.4.8.3 Yield and Cost
4.4.8.4 High-Frequency Performance
4.5 2.5D Glass-Based Packaging Technologies
4.5.1 Roles of Glass in Semiconductor Packaging
4.5.1.1 Glass Properties Relevant to Packaging
4.5.1.2 Applications in Packaging
4.5.1.3 Glass Core as Interposer for Advanced Semiconductor Packaging
4.5.2 Overcoming Limitations of Silicon Interposers with Glass
4.5.2.1 Size Limitation
4.5.2.2 Optical Opacity
4.5.2.3 Dielectric Loss
4.5.2.4 Cost Structure
4.5.2.5 Remaining Silicon Advantages
4.5.3 Glass vs. Molding Compound
4.5.3.1 Implications for CPO
4.5.4 Glass Core (Interposer) Package: Process Flow
4.5.5 Challenges of Glass Packaging
4.5.5.1 Handling and Breakage
4.5.5.2 Via Formation and Metallisation
4.5.5.3 Thermal Conductivity
4.5.5.4 RDL Adhesion
4.5.5.5 Warpage Control
4.6 3D Advanced Semiconductor Packaging Technologies
4.6.1 Evolution of Bumping Technologies
4.6.1.1 Solder Bumps (C4)
4.6.1.2 Copper Pillar Bumps
4.6.1.3 Micro-Bumps
4.6.1.4 Hybrid Bonding (Bumpless)
4.6.2 Challenges in Scaling Bumps
4.6.2.1 Mechanical Challenges
4.6.2.2 Electrical Challenges
4.6.2.3 Manufacturing Challenges
4.6.2.4 Implications for CPO
4.6.3 Micro-Bump for Advanced Semiconductor Packaging
4.6.3.1 Micro-Bump Structure
4.6.4 Bumpless Cu-Cu Hybrid Bonding
4.6.4.1 Hybrid Bonding Concept
4.6.4.2 Process Fundamentals
4.6.4.3 Key Characteristics
4.6.4.4 Benefits for CPO
4.6.5 Three Ways of Cu-Cu Hybrid Bonding: Benchmark
4.6.5.1 Die-to-Die (D2D)
4.6.5.2 Die-to-Wafer (D2W)
4.6.5.3 Wafer-to-Wafer (W2W)
4.6.6 Challenges in Cu-Cu Hybrid Bonding Manufacturing Process
4.7 CPO Packaging: EIC and PIC Integration
4.7.1 EIC/PIC Integration by Conventional Interconnect Techniques
4.7.1.1 Wire Bond Integration
4.7.1.2 Flip-Chip Integration (2D)
4.7.2 EIC/PIC Integration by Emerging Interconnect Techniques
4.7.2.1 2.5D Interposer Integration
4.7.2.2 3D Micro-Bump Stacking
4.7.2.3 3D Hybrid Bonding
4.7.3 2D to 3D EIC/PIC Integration Options
4.7.3.1 Technology Transition Drivers
4.7.3.2 2D to 3D Integration Evolution
4.7.4 Integration Roadmap by CPO Segment
4.7.5 Benchmarking of Different Packaging Technologies for EIC/PIC
4.7.6 Pros and Cons of 2D Integration of EIC/PIC
4.7.7 Pros and Cons of 2.5D Integration of EIC/PIC
4.7.8 Pros and Cons of 3D Hybrid Integration of EIC/PIC
4.7.9 Pros and Cons of 3D Monolithic Integration of EIC/PIC
4.8 TSV for EIC/PIC Integration
4.8.1 TSV for EIC/PIC Integration in CPO
4.8.1.1 TSV Configurations for EIC/PIC
4.8.1.2 Design Considerations
4.8.2 Benefits of TSV for PIC/EIC Integration
4.8.3 Cisco Packaging Architectures of Optical Engine Over Generations
4.8.4 Cisco: 2.5D Chip-on-Chip (CoC) Packaging Architecture for EIC/PIC Integration
4.8.4.1 Architecture Description
4.8.4.2 Manufacturing Considerations
4.8.5 Cisco: 3D TSV for PIC/EIC Integration
4.8.5.1 Architecture Description
4.8.5.2 Benefits of TSV Integration
4.8.5.3 Manufacturing Considerations
4.8.6 Key TSV Fabrication Steps and Challenges in CPO
4.8.6.1 Fabrication Process Flow
4.8.7 Packaging Options for Silicon Photonics
4.8.8 Pros and Cons of 2.5D Si Interposer for EIC/PIC Integration
4.9 Fan-Out for EIC/PIC Integration
4.9.1 ASE's Proposed Fan-Out Solution for CPO Packaging
4.9.1.1 ASE Fan-Out CPO Concept
4.9.2 FOPOP from ASE: Process
4.9.3 Analysis of FOPOP vs. Wire Bond Packaging for CPO
4.9.4 Optical Packaging Process Considerations for Silicon Photonics - ASE
4.9.5 SPIL's Fan-Out Embedded Bridge (FOEB) Structure for PIC/EIC Integration in CPO
4.9.6 Process Flow of Integrating PIC and EIC in a FOEB Structure
4.9.7 Process Challenges in Packaging Optical Engines
4.9.8 Challenges of Using Fan-Out for EIC/PIC Integration
4.10 Glass-Based CPO Packaging Technologies
4.10.1 Glass-Based Co-Packaged Optics
4.10.1.1 Corning's Glass CPO Vision
4.10.2 Glass CPO Package Architecture
4.10.3 Glass-Based CPO Process Development
4.10.3.1 Corning's 102.4 Tb/s Test Vehicle Demonstration
4.10.4 3D Heterogeneous Integration of EIC/PIC on a Glass Interposer
4.10.4.1 Architecture Rationale
4.10.4.2 Package Architecture
4.10.4.3 Process Flow
4.10.4.4 Representative Switch Module Example
4.10.4.5 Market Trajectory
4.11 Hybrid Bonding for EIC/PIC Integration
4.11.1 TSMC: Integrated HPC Technology Platform for AI
4.11.2 iOIS: Integrated Optical Interconnection System from TSMC
4.11.3 Combining EIC and PIC with 3D SoIC Bond
4.11.4 Roadmap of Bond Pitch Scaling
4.12 System Integration of Optical Engine and ASIC/XPU
4.12.1 Co-Packaging vs. Co-Packaged Optics (CPO)
4.12.2 Three Types of CPO XPU/Switch ASIC Packaging Structures
4.12.2.1 Type 1: 2D/2.5D Peripheral Integration
4.12.2.2 Type 2: 2.5D with Embedded Bridge
4.12.2.3 Type 3: 3D Stacked Integration
4.13 Future 3D-CPO Structure
4.13.1 Future 3D-CPO Architecture Vision
4.13.2 NVIDIA's 3D Integration of SoC, HBM, EIC, and PIC on Co-Packaged Substrates
4.13.2.1.1 Architecture Overview
4.13.2.1.2 Integration Approach
4.13.2.1.3 Key Innovations
4.14 Optical Alignment and Laser Integration
4.14.1 How CPO is Built and the Bottleneck
4.14.2 The fibre attach bottleneck
4.14.3 Interface Between Coupler and FAU
4.14.4 Grating vs. Edge Couplers: Challenges in High-Density Optical I/O for Silicon Photonics
4.14.5 Challenges in High-Density Optical I/O for Silicon Photonics
4.15 Fiber Array Unit (FAU)
4.15.1 Optical Alignment Challenges and Solutions
4.15.2 Two Alignment Approaches
4.15.3 Reducing Optical Fiber Packaging Complexity
4.15.4 Key Technical Challenges
4.15.4.1 The Size Mismatch Between Silicon Waveguides and Planar Optical Fibers
4.15.5 Fiber Attach Methods
4.15.6 Key Players in FAU for CPO
4.15.7 Benchmark of Optical Fiber Alignment Structure Variations
4.15.8 Suppliers of Other Optical Components in CPO
4.16 Suppliers of Other Optical Components in CPO
4.17 Laser Integration
4.17.1 On-Chip Light Source Integration Methods
4.17.2 External Lasers for CPO
4.17.3 Laser Attach Technology Benchmark
4.17.4 Benchmark of Different Laser Integration Technologies

5.1 CPO Market Definition and Scope
5.2 CPO Market Size and Growth Projections
5.3 Switch CPO Market Analysis
5.3.1 Market Overview and Drivers
5.3.2 Deployment Timeline and Adoption Phases
5.3.3 Volume Projections and Market Sizing
5.3.4 Market Concentration and Regional Distribution
5.3.5 Pricing Trajectory and Cost Dynamics
5.4 XPU Optical I/O Market Analysis
5.4.1 Market Drivers and Value Proposition
5.4.2 Adoption Timeline and Platform Evolution
5.4.3 Volume and Revenue Projections
5.4.4 Market Segmentation by Platform
5.4.5 Technology Requirements and Differentiation
5.5 CPO Pricing and Cost Analysis
5.5.1 Current Pricing Landscape
5.5.2 Cost Trajectory and Reduction Drivers
5.5.3 Cost Parity Timeline and Dynamics
5.5.4 Pricing Strategy Implications
5.6 Regional Market Dynamics
5.6.1 North America
5.6.2 Asia-Pacific
5.6.3 Europe
5.6.4 Rest of World
5.7 Total Addressable Market Analysis
5.7.1 Core TAM Segments
5.7.2 Serviceable Addressable Market (SAM)
5.8 Market Forecast by Component
5.9 Market Forecast by Technology Generation
5.9.1 Optical Engine Bandwidth Evolution
5.9.2 Generation Lifecycle Analysis
5.10 Market Restraints and Barriers
5.10.1 Manufacturing Yield and Cost
5.10.2 Serviceability and Field Replacement Concerns
5.10.3 Standards Maturity and Interoperability
5.10.4 Supply Chain Capacity Constraints
5.10.5 Competitive Alternatives
5.11 Adoption Curve Analysis
5.11.1 Technology Adoption Framework
5.11.1.1 Innovators (2024-2026)
5.11.1.2 Early Adopters (2026-2028)
5.11.1.3 Early Majority (2028-2031)
5.11.1.4 Late Majority (2031-2034)
5.11.1.5 Laggards (2034 )
5.11.2 Segment-Specific Adoption Curves
5.12 Adoption Accelerators and Inhibitors
5.12.1 Adoption Curve Implications
5.13 Competitive Landscape Evolution
5.13.1 Current Competitive Positioning
5.13.2 Integrated Device Manufacturers (IDMs)
5.13.3 Silicon Photonics Specialists
5.13.4 Foundry/OSAT Providers
5.13.5 System Vendors
5.13.6 Laser Suppliers
5.13.7 Competitive Dynamics and Market Structure Evolution
5.13.7.1 Near-Term Dynamics (2025-2028)
5.13.7.1.1 Expected Evolution (2028)
5.13.7.2 Mid-Term Dynamics (2028-2032)
5.13.7.2.1 Expected Evolution (2032)
5.13.7.3 Long-Term Dynamics (2032-2036)
5.13.7.3.1 Expected Evolution (2036)
5.13.8 Vertical Integration Trends
5.13.8.1 Integration Strategy Framework
5.13.8.1.1 Full Vertical Integration (Broadcom, Intel Model)
5.13.8.1.2 Partial Integration (Cisco, NVIDIA Model)
5.13.8.1.3 Fabless/Assembly-Light (Ayar Labs, Ranovus Model)
5.13.8.1.4 Platform Provider (TSMC Model)
5.13.8.2 Strategic Implications of Integration Trends
5.13.9 Recent Developments - Q1 2026 Update
5.14 Scenario Analysis
5.14.1 Scenario Framework
5.14.2 Scenario Definitions
5.14.3 Bull Case Scenario
5.14.4 Base Case Scenario
5.14.5 Bear Case Scenario
5.14.6 Scenario Comparison and Key Variables

6.1 Introduction to DATACOM Market Dynamics
6.1.1 Overview of the Data Communications Market
6.1.1.1 Market Definition and Scope
6.1.1.2 Market Size and Growth
6.1.2 Key Market Drivers
6.1.2.1 Artificial Intelligence and Machine Learning
6.1.2.2 Cloud Computing Growth
6.1.2.3 Data Growth
6.1.2.4 Power and Sustainability Pressures
6.2 Application Trends
6.2.1 AI and Machine Learning Workload Growth
6.2.1.1 The AI Training Revolution
6.2.1.2 Training Cluster Architecture Evolution
6.2.1.3 AI Inference Deployment
6.2.1.4 Market Quantification
6.2.1.5 Implications for CPO
6.2.2 Hyperscale Data Centre Expansion
6.2.2.1 Defining Hyperscale
6.2.3 Global Hyperscale Capacity
6.2.4 Regional Distribution
6.2.5 Hyperscaler Investment Trends
6.2.5.1 Capital expenditure acceleration
6.2.5.2 AI-Specific Infrastructure
6.2.5.3 Implications for CPO
6.2.6 Edge Computing and Distributed AI
6.2.6.1 Market Growth
6.2.7 Edge AI Applications
6.2.8 Edge Network Architecture
6.3 Technology Trends
6.3.1 Technology Trends Overview
6.3.1.1 Key Technology Vectors
6.3.1.2 Technology Interdependencies
6.3.2 Technology Trends: Packaging
6.3.3 Universal Chiplet Interconnect Express (UCIe)
6.3.4 Laser Sources for CPO
6.3.5 External vs. Integrated Laser

7.1 Hybrid Pluggable-to-CPO Transition, 2026-2030
7.2 Scale-Out Outlook
7.2.1 Scale-Out CPO Market Evolution
7.2.1.1 Scale-Out Market Drivers
7.2.1.2 Market Evolution Phases
7.2.1.3 Scale-Out CPO Market Forecast
7.2.2 Scale-Out Technology Roadmap
7.2.2.1 Technology Generation Evolution
7.2.2.2 Technology Enablers by Generation
7.2.3 Scale-Out Key Players and Competitive Landscape
7.3 Scale-Up Outlook
7.3.1 Scale-Up CPO Market Evolution
7.3.2 Copper to Optical Transition
7.3.3 Optical I/O Solution
7.3.4 Scale-Up CPO Market Forecast
7.3.5 Market Evolution Phases
7.3.6 Scale-Up Technology Roadmap
7.3.6.1 NVIDIA Optical I/O Evolution
7.3.6.2 AMD Optical I/O Evolution
7.3.6.3 Custom Silicon Optical I/O
7.3.7 Scale-Up Key Players and Competitive Landscape
7.3.7.1 Competitive Landscape Overview
7.4 High-Density Connectors
7.4.1 High-Density Connectors vs. CPO
7.4.1.1 Scenario 1: Connectors Enable Extended Pluggable (Low CPO Impact)
7.4.1.2 Scenario 2: Connectors Complement CPO (Moderate Impact)
7.4.1.3 Scenario 3: Connectors Enable "Near-Packaged" Optics (Moderate CPO Impact)
7.4.1.4 Scenario 4: Connector Development Delays (Positive CPO Impact)
7.5 Emerging Supply Chain Dynamics
7.5.1 Geographic Concentration in CPO Supply Chains
7.6 Third-Party Suppliers and Systems Integrators
7.6.1 Multi-Tier Supply Chain Architecture
7.6.1.1 Tier 1: Silicon Photonics Platform
7.6.1.2 Tier 2: CPO Assembly (OSAT)
7.6.1.3 Tier 3: Fiber Array Unit (FAU) Suppliers
7.6.1.4 Tier 4: External Laser Source (ELS) Suppliers
7.6.1.5 Tier 5: Optical Fiber Supply
7.6.1.6 Tier 6: Optical Sub-Assembly Integration
7.6.2 Strategic Implications for Supply Chain Participants

9.1 Research Methodology and Data Sources

Table 1. CPO Market Drivers and Restraints Analysis
Table 2. Key Data Centre Architecture Challenges Summary
Table 3. Key Data Centre Architecture Challenges Summary.
Table 4. Form Factor Evolution and Density Comparison
Table 5. Optical Transceiver Power Consumption by Generation
Table 6. Technology Migration Decision Framework
Table 7. CPO vs. Pluggables Decision Matrix
Table 8. Semiconductor Packaging Interconnection Techniques Overview
Table 9. CPO Application Segmentation (Scale-Out vs. Scale-Up)
Table 10. EIC/PIC Integration Methods Comparison
Table 11. Integration Technology Selection Criteria
Table 12. Detailed Technical Comparison: 2D vs 2.5D vs 3D
Table 13. 3D Integration Sub-Categories Comparison
Table 14. Packaging Technology Benchmark for EIC/PIC Integration
Table 15. CPO Technology Challenges and Mitigation Strategies
Table 16. NVIDIA vs. Broadcom Strategic Positioning Comparison
Table 17. NVIDIA vs. Broadcom CPO Product Specifications Benchmark
Table 18. Server Boards, CPUs, and GPU/Accelerator Forecast (2026-2036)
Table 19. Optical I/O for AI Interconnect CPO - Unit Shipment Forecast (2026-2036)
Table 20. Optical I/O for AI Interconnect CPO - Revenue Forecast ($M) (2026-2036)
Table 21. CPO Network Switches - Unit Shipment Forecast (2026-2036)
Table 22. CPO Network Switches - Optical Engine Revenue Forecast ($M) (2026-2036)
Table 23. Total CPO Market Size and Revenue (2026-2036)
Table 24. Total CPO by EIC/PIC Integration Technology - Unit Shipments (2026-2036)
Table 25. Network Switch CPO Adoption by Packaging Technology
Table 26. Optical I/O Forecast by Packaging Technology
Table 27. PIC Design Segment - Key Players and Capabilities
Table 28. ASIC and xPU Design Segment - Key Players and CPO Integration Strategies
Table 29. Laser Sources Segment - Key Suppliers and Technologies
Table 30. SOI Wafer and Epi-Wafer Segment - Substrate Suppliers
Table 31. EIC, Retimers, SerDes, and PHY Segment - High-Speed Electronics Suppliers
Table 32. Connectors and Fibers Segment - Optical Infrastructure Suppliers
Table 33. Foundries Segment - Silicon Photonics and Advanced Packaging Capabilities
Table 34. Packaging, Assembling, and Testing Segment - OSAT and Test Equipment Providers
Table 35. System and Equipment Segment - OEMs and ODMs
Table 36. End Customers (Hyperscalers) Segment - Data Centre Operators and AI Leaders
Table 37. CPO Industrial Ecosystem Summary - Complete Value Chain Overview
Table 38. AI Model Parameter and Compute Growth (2018-2030)
Table 39. Global AI Training Compute Demand Growth
Table 40. AI Data Centre Requirements by Workload Type
Table 41. Switch Hierarchy in AI Data Centres
Table 42. Scale-Up vs. Scale-Out vs. Scale-Across Comparison Matrix
Table 43. SerDes Bandwidth Limitations and Power Consumption
Table 44. SerDes Bottleneck Solutions Comparison
Table 45. Pluggable Optics Architecture and Limitations
Table 46. Signal Loss Comparison: Pluggable vs. CPO (dB)
Table 47. Comprehensive Pluggable vs. CPO Comparison
Table 48. Design Decision Framework for CPO Adoption
Table 49. L2 Network Architecture Comparison
Table 50. Copper Wire Count in Current AI Systems
Table 51. Copper Interconnect Specifications by System
Table 52. Copper System Limitations Summary
Table 53. Copper vs. Optical Performance Benchmark
Table 54. Power Consumption by Interconnect Technology
Table 55. Power Consumption Component Breakdown: Pluggable vs. CPO (400G)
Table 56. Latency Benchmark Comparison
Table 57. PIC Component Overview
Table 58. PICs vs. Silicon Photonics Comparison
Table 59. Silicon Photonics vs. Other PIC Platforms: Capability Comparison
Table 60. PIC Advantages and Challenges Summary
Table 61. Optical Engine vs. Pluggable Transceiver Comparison
Table 62. External Laser Source Configurations
Table 63. CPO Technology Building Blocks
Table 64. CPO Technology Components and Suppliers
Table 65. Latency Comparison: Pluggable vs. CPO
Table 66. Data Rate Scaling: Pluggable vs. CPO
Table 67. CPO Value Proposition Summary
Table 68. CPO Technical Challenges and Mitigation Approaches
Table 69. OIF CPO Standards Development Timeline
Table 70. OIF CPO Framework Functional Partitioning
Table 71. OIF CPO Module Specifications by Generation
Table 72. ELSFP Implementation Agreement Key Specifications
Table 73. CPO Telemetry and Management Requirements
Table 74. OIF CEI Specifications for CPO Applications
Table 75. UCIe Specifications and CPO Relationship
Table 76. China CPO Standards Landscape
Table 77. CPO Component Packaging Requirements
Table 78. Switch CPO Package Specifications (Representative)
Table 79. 1.6 Tbps Optical Engine Performance
Table 80. XPU Optical I/O Requirements
Table 81. Advanced Optical I/O Integration Approaches
Table 82. Overview of CPO Packaging Technologies
Table 83. Semiconductor Packaging Technology Landscape
Table 84. Packaging Technology Comparison for CPO
Table 85. Advanced Packaging Performance Metrics
Table 86. Overview of Interconnection Techniques in Semiconductor Packaging
Table 87. Interconnection Technique Comparison for CPO
Table 88. Silicon Interposer vs. Silicon Bridge Comparison
Table 89. Silicon-Based 2.5D Packaging Options
Table 90. TSV Specifications by Application
Table 91. TSV Fabrication Process Steps
Table 92. TSV Technology Evolution
Table 93. TSV Challenges for CPO Applications
Table 94. TSV Technology Evolution.
Table 95. 2.5D Silicon Packaging Development Trends
Table 96. Key Development Areas by Technology Node
Table 97. Interposer Size Evolution for CPO
Table 98. 2.5D Silicon Packaging Roadmap by Vendor
Table 99. Roadmap Milestones for CPO Integration
Table 100. Si Interposer vs. Si Bridge Comparison
Table 101. RDL Technology Specifications
Table 102. SiO2 vs. Organic Dielectric Comparison
Table 103. WLFO vs. PLFO Comparison
Table 104. Fan-Out Packaging Trends
Table 105. Fan-Out Process Challenges
Table 106. Glass Properties vs. Silicon and Organic.
Table 107. Glass Applications in Semiconductor Packaging
Table 108. Glass Core Interposer Characteristics
Table 109. Glass vs. Silicon Interposer Comparison
Table 110. Glass Interposer Benefits for CPO
Table 111. Glass vs. Molding Compound Properties
Table 112. Glass Packaging Challenges and Solutions
Table 113. Bumping Technology Evolution
Table 114. Bump Scaling Challenges
Table 115. Micro-Bump Specifications and Applications
Table 116. Cu-Cu Hybrid Bonding Methods Comparison
Table 117. Hybrid Bonding Method Selection for CPO Applications
Table 118. Hybrid Bonding Manufacturing Challenges
Table 119. Hybrid Bonding Process Maturity by Pitch
Table 120. Critical Process Parameters for Hybrid Bonding
Table 121. Conventional EIC/PIC Integration Methods
Table 122. Conventional Method Advantages and Limitations Summary
Table 123. Emerging EIC/PIC Integration Methods
Table 124. 2D to 3D EIC/PIC Integration Options
Table 125. Technology Transition Drivers
Table 126. 2D to 3D Integration Evolution
Table 127. Integration Roadmap by CPO Segment
Table 128. EIC/PIC Packaging Technology Benchmark
Table 129. 2D EIC/PIC Integration Pros and Cons
Table 130. 2.5D EIC/PIC Integration Pros and Cons
Table 131. 3D Hybrid EIC/PIC Integration Pros and Cons
Table 132. 3D Monolithic EIC/PIC Integration Pros and Cons
Table 133. Benefits of TSV for PIC/EIC Integration
Table 134. TSV Fabrication Challenges in CPO
Table 135. Si Photonics Packaging Options Comparison
Table 136. 2.5D Si Interposer Pros and Cons for EIC/PIC
Table 137. FOPOP vs. WB Packaging Comparison
Table 138. Optical Engine Packaging Process Challenges
Table 139. Fan-Out EIC/PIC Integration Challenges
Table 140. Bond Pitch Scaling Challenges
Table 141. Co-Packaging vs. CPO Definition Comparison
Table 142. Future 3D-CPO Architecture Vision
Table 143. Architecture Evolution by Component
Table 144. 3D-CPO Integration Approaches
Table 145. Future 3D-CPO Packaging Structure Types
Table 146. Key Technology Milestones for Future 3D-CPO
Table 147. Performance Trajectory for Future 3D-CPO
Table 148. Thermal Management Evolution for 3D-CPO
Table 149. 3D-CPO Vision: NVIDIA Architecture Example
Table 150. CPO Assembly Process and Bottlenecks
Table 151. Coupler-FAU Interface Critical Dimensions
Table 152. Misalignment Loss Characterisation
Table 153. FAU-PIC Interface Stability Requirements
Table 154. Grating vs. Edge Coupler Comparison
Table 155. Grating vs. Edge Coupler Comparison
Table 156. Optical Alignment Challenges Overview
Table 157. Active vs. Passive Alignment Comparison
Table 158. Fiber Attach Methods Comparison
Table 159. FAU Supplier Landscape
Table 160. Alignment Structure Benchmark
Table 161. SENKO Key CPO Solutions
Table 162. Suppliers of Optical Components in CPO: Comprehensive Overview
Table 163. Laser Source Supplier Details
Table 164. On-Chip Laser Integration Approaches
Table 165. External Laser Configurations for CPO
Table 166. External Laser Suppliers
Table 167. Laser Attach Technology Comparison
Table 168. Comprehensive Laser Integration Benchmark
Table 169. Global CPO Market Forecast ($ Millions)
Table 170. Switch CPO Unit Volume Forecast (Thousands of Optical Engines)
Table 171. Switch CPO Market Forecast by Switch Generation ($M)
Table 172. CPO Cost Trajectory Projection
Table 173. XPU Optical I/O Market Forecast
Table 174. XPU Optical I/O Market Forecast by Platform ($M)
Table 175. CPO Cost Trajectory Projection
Table 176. Total Cost of Ownership Comparison (Per 51.2T Switch, 5-Year Lifetime)
Table 177. North America CPO Market Forecast
Table 178. Asia-Pacific CPO Market Forecast
Table 179. Europe CPO Market Forecast
Table 180. Rest of World CPO Market Forecast
Table 181. Global CPO Market Summary
Table 182. CPO Total Addressable Market Quantification
Table 183. CPO Serviceable Addressable Market
Table 184. CPO Component Market Forecast ($M)
Table 185. CPO Market by Optical Engine Generation ($M)
Table 186. CPO Commercial Milestones and Representative Products by Period
Table 187. Generation Share Evolution
Table 188. Manufacturing Yield Improvement Trajectory
Table 189. CPO Standards Development Timeline
Table 190. Market Restraints Summary
Table 191. CPO Adoption Curve by Segment (Penetration of Addressable Market)
Table 192. CPO Market Share by Participant (2024-2026)
Table 193. Near-Term Competitive Evolution
Table 194. Competitive Landscape Evolution Timeline
Table 195. Vertical Integration Trends by Participant Type
Table 196. Vertical Integration by Company
Table 197. Bull Case Market Forecast ($M)
Table 198. Base Case Market Forecast ($M)
Table 199. Bear Case Market Forecast ($M)
Table 200. Scenario Comparison Summary
Table 201. Global DATACOM Market Size and Growth
Table 202. DATACOM Market Growth Drivers
Table 203. Global Hyperscale Data Centre Capacity
Table 204. Edge Computing Market Growth
Table 205. DATACOM Technology Trends Summary
Table 206. Packaging Technology Evolution for DATACOM
Table 207. UCIe Specifications and Adoption Timeline
Table 208. Laser Source Technology Trends
Table 209. Laser Source Comparison for CPO
Table 210. Scale-Out CPO Market Forecast by Switch Bandwidth ($M)
Table 211. Scale-Out Technology Enablers by Generation
Table 212. Scale-Out CPO Competitive Landscape
Table 213. Scale-Up CPO Market Forecast by Platform ($M)
Table 214. Scale-Up CPO Market Forecast
Table 215. Scale-Up CPO Market Evolution Phases
Table 216. Scale-Up CPO Platform Comparison
Table 217. Scale-Up vs. Scale-Out CPO Comparison
Table 218. Scale-Up CPO Competitive Landscape
Table 219. CPO vs. High-Density Connector Adoption Scenarios
Table 220. OIF High-Density Connector Specifications (Proposed)
Table 221. Technology Comparison: CPO vs. High-Density Connector-Enabled Alternatives
Table 222. Scenario Impact by Market Segment
Table 223. High-Density Connector Development Roadmap vs. CPO Timeline
Table 224. Why High-Density Connectors Are Unlikely to Derail CPO
Table 225. Scenario Summary and Strategic Implications
Table 226. NVIDIA CPO Supply Chain Geographic Distribution
Table 227. Taiwan IC Industry Market Share Evolution (2021-2025)
Table 228. TSMC COUPE Platform Technical Specifications
Table 229. External Laser Source Suppliers for NVIDIA CPO

Figure 1. Anatomy of a Modern AI Data Centre
Figure 2. Network Switch Architecture in Data Centres
Figure 3. Switch IC Bandwidth Evolution Timeline (2015-2036)
Figure 4. Optical Transceiver Technology Migration Path (Pluggable ? Near-Package ? CPO)
Figure 5. Optical Engine Component Architecture
Figure 6. Co-Packaged Optics 1.0: Typical Integration Flow.
Figure 7. Heterogeneous Integration Concept Diagram
Figure 8. Evolution from 2D to 2.5D to 3D Integration
Figure 9. Integration Technology Progression Roadmap
Figure 10. Switch ASIC with pluggable optics versus co-packaged optics
Figure 11. LLM Parameter Growth Timeline (GPT-1 to GPT-5 and Beyond)
Figure 12. DGX H100/H200system topology
Figure 13. NVIDIA Rubin Architecture Overview
Figure 14. Scale-Up Network Topology (NVLink, NVSwitch)
Figure 15. Scale-Out and Scale-Up Network Topology (Ethernet/InfiniBand)
Figure 16. Three-Tier Network Architecture Diagram
Figure 17. Interconnect Technology Roadmap (2020-2036)
Figure 18. On-Board Optics Configuration
Figure 19. Switch ASIC Bandwidth Scaling (51.2T ? 102.4T ? 204.8T)
Figure 20. Copper-to-Optical Migration Roadmap
Figure 21. Current AI System Interconnect Architecture
Figure 22. AI Architecture Evolution (2026-2030)
Figure 23. AI Architecture Vision (2031-2036)
Figure 24. PIC Architecture for CPO Applications
Figure 25. CPO Key Concepts Illustration
Figure 26. Power Consumption Comparison (pJ/bit Roadmap)
Figure 27. Optical I/O Packaging for XPUs
Figure 28. Schematic view of three optically enabled data center platforms (LightningValley2, ThunderValley and Pegasus) and the Aurora test and measurement platform contained within the Nexus rack, which allows intra-rack and inter-rack connectivity betwee
Figure 29. Semiconductor Packaging Evolution Timeline
Figure 30. 2.5D Packaging Structure Diagram
Figure 31. 2.5D Si-Based Packaging Roadmap
Figure 32. EMIB implementation (silicon bridge).
Figure 33. FPGA HBM in 2.5D package with interposer.
Figure 34. RDL Fabrication Process Flow
Figure 35. Panel-Level Fan-Out Process
Figure 36. Wafer-Level Fan-Out Process
Figure 37. Glass Core Interposer Structure
Figure 38. Glass Interposer Manufacturing Process Flow
Figure 39. (a) Switch composed of 2.5D advanced packaging; (b) TMV-based, (c) TSV-based, and (d) TGV-based advanced packaging architectures.
Figure 40. ASE Fan-Out CPO Solution
Figure 41. ASE FOPOP Process Flow
Figure 42. SPIL's Fan-Out Embedded Bridge (FOEB) Structure for PIC/EIC Integration in CPO
Figure 43. FOEB Integration Process Flow
Figure 44. TSMC Optical Engine Roadmap
Figure 45. TSMC iOIS Architecture
Figure 46. (a) TSMC-SoIC face-to-face (F”F) technology for EIC and PIC bonding. (b) COUPE critical components consist of TSMC-SoIC bond, TDC, embedded micro-lens and metal reflector.
Figure 47. Bond Pitch Scaling Roadmap
Figure 48. Scale-Up Optical I/O Technology Roadmap