Lightmatter Unveils 114Tbps Passage M1000 3D Photonic Interposer and 50Tbps Optical I/O Laser at InterConnect 2026, Joins NVIDIA NVLink Fusion Ecosystem

Lightmatter USA

Overview

At its InterConnect 2026 keynote, Lightmatter revealed a new category of lasers capable of delivering 50 Tbps of optical I/O and the Passage M1000 3D Photonic Interposer, offering 114 Tbps I/O, to enable a photonic future for AI infrastructure. The company also announced its participation in the NVIDIA NVLink Fusion ecosystem, strengthening next-gen AI infrastructure with photonic interconnects. Lightmatter’s Passage platform, including the Passage L200 supporting 32-64 Tbps aggregate bandwidth via co-packaged optics (CPO), addresses high-speed data transfer and energy efficiency challenges in AI data centers.

In Depth

Key Findings

During its InterConnect 2026 keynote, Lightmatter presented a concrete vision for the photonic future of AI infrastructure, announcing a new category of lasers capable of delivering 50 Tbps (terabits per second) of optical I/O in a single module. Furthermore, the company showcased its Passage M1000 3D Photonic Interposer, which offers an astonishing 114 Tbps of I/O, signaling a dramatic potential for enhancing AI computing performance. Lightmatter also announced its entry into the NVIDIA NVLink Fusion ecosystem, committing to fortify next-generation AI infrastructure with photonic interconnects through its co-packaged optics (CPO) and near-packaged optics (NPO) products.

Technical / Clinical Details

Lightmatter’s Passage platform is an innovative solution designed to resolve connectivity bottlenecks within AI data centers. Its core technological components include:

• Passage M1000 3D Photonic Interposer: Achieving 114 Tbps of I/O bandwidth, this interposer drastically boosts inter-chip and inter-rack communication speeds in data centers. This technology enables the high-speed movement of massive datasets, which is essential for training and inference of AI models.
• New Category of Lasers: The ability to deliver 50 Tbps of optical I/O in a single module significantly improves power efficiency and bandwidth density compared to conventional laser systems. This serves as a foundational element for driving advanced optical interconnect technologies such as DWDM (Dense Wavelength Division Multiplexing) BiDi networking.
• Passage L200: This system supports 32-64 Tbps of aggregate bandwidth via co-packaged optics, enhancing bidirectional fiber bandwidth density by 8x for 16-wavelength bidirectional optical links in AI data centers. This mitigates copper interconnect bottlenecks, leading to substantial reductions in power consumption and latency.
• Manufacturing Process: Lightmatter also presented the manufacturing process for its Passage M1000 3D Photonic Interposer, highlighting high-precision chip integration and scalable production capabilities. At OFC 2026, a photonic AI processor integrating six chips and achieving 65.5 TFLOPS with precision comparable to electronic devices was also introduced, marking a significant step towards post-transistor computing.

These technologies simultaneously deliver the high bandwidth, low latency, and high energy efficiency required by AI workloads, thereby breaking through the limitations of current electrical signal transmission.

Background & Context

The explosive growth of AI infrastructure has pushed data transfer and processing demands in data centers to unprecedented levels. Traditional electrical wiring is facing increasing difficulty in scaling further due to power consumption and heat generation issues. In response to these challenges, photonic computing and optical interconnects are rapidly emerging as foundational technologies for next-generation AI data centers. NVIDIA’s strategic shift from copper to optics in scaling AI clusters, coupled with its significant investments in related companies, clearly demonstrates this industry-wide trend. Lightmatter’s partnership with Global Unichip Corp. (GUC) also represents a strategic move to bring commercial Passage™ 3D CPO solutions to market.

Strategic Significance & Outlook

Lightmatter’s photonic interconnect solutions have the potential to redefine the future of AI data centers. Specifically, its participation in the NVIDIA NVLink Fusion ecosystem signifies a deep integration of Lightmatter’s technology into major AI platforms. This will lead to dramatic improvements in computational power and efficiency for AI training and inference, enabling further advancements in large language models and generative AI. Low-power, high-bandwidth, and low-latency optical connectivity is expected to expand the scale and capabilities of AI systems, accelerating innovation across a wide range of applications, including autonomous driving, HPC, and cloud services. Lightmatter’s technology plays a pivotal role in realizing the vision that “the future of AI runs on light.”