Coherent Introduces Next-Gen 2D VCSEL and Photodiode Arrays To Accelerate AI-Driven Optical Interconnects

Core Insights - Coherent Corp. has announced a breakthrough in short-reach optical interconnect technology with the demonstration of next-generation 2D VCSEL and photodiode (PD) arrays, aimed at addressing the increasing data traffic demands in modern datacenters [1][7] Technology Advancements - The new high-density 2D array architecture (1.6T, 850 nm, 32x50G NRZ) leverages Coherent's proven 100G PAM4 multimode VCSEL and PD platform, facilitating copper link replacement and enhancing parallelism [2] - These arrays are designed for low power consumption, reduced latency, and cost efficiency, supporting the transition to Near-Packaged Optics (NPO) and Co-Packaged Optics (CPO) for AI/ML workloads in hyperscale datacenters [2] Future Developments - Coherent plans to introduce 1060 nm backside-emitting (BSE) flip-chip VCSEL/PD array variants in 2026, expanding its product portfolio for next-generation optical networking [4] - The innovation will be showcased at ECOC 2025 in Copenhagen, Denmark, from September 29 to October 1, 2025 [4] Company Overview - Coherent is recognized as a global leader in photonics, providing technology solutions for datacenter, communications, and industrial markets [5] - Founded in 1971, the company operates in over 20 countries and offers a comprehensive technology stack and supply chain resilience to address complex technology challenges [6]