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What Lumentum, Astera Labs and Corning Are Demonstrating at OCP 2026
At OCP 2026, Lumentum, Astera Labs and Corning are demonstrating a PCIe over optics proof of concept using 1060 nm VCSEL technology, multimode fiber and Astera’s Scorpio switch. The companies’ reported roles are distinct: Lumentum supplies the optical interconnect platform, Corning the multimode fiber connectivity,...
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Key takeaways
- At OCP 2026, Lumentum, Astera Labs and Corning are demonstrating a PCIe over optics proof of concept using 1060 nm VCSEL technology, multimode fiber and Astera’s Scorpio switch.
- The companies’ reported roles are distinct: Lumentum supplies the optical interconnect platform, Corning the multimode fiber connectivity, and Astera Labs the Scorpio Smart Fabric Switch.
- The demonstration is at Astera Labs’ Booth B34; Lumentum is also presenting on co packaged optics, VCSELs and optical switching.
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openai.comCreate a landscape editorial hero image for this Studio Global article: What are Lumentum, Astera Labs and Corning jointly demonstrating at the October 12–15, 2026 OCP Global Summit at the San Jose Convention Cen. Article summary: Lumentum, Astera Labs and Corning have announced a joint rack-level proof-of-concept demonstrating 1060 nm VCSEL-based PCIe-over-optics connectivity for AI rack-scale systems at the October 12–15, 2026 OCP Global Summit . Topic tags: general, general web, user generated. Style: premium digital editorial illustration, source-backed research mood, clean composition, high detail, modern web publication hero. Use reference image context only for broad subject, composition, and topical grounding; do not copy the exact image. Avoid: logos, brand marks, copyrighted characters, real person likenesses, fake screenshots, UI text, readable text, watermarks, charts with fa
Lumentum, Astera Labs and Corning are showcasing a rack-level proof of concept for carrying PCIe connections over optical links, aimed at AI rack-scale systems. The setup combines Lumentum’s 1060 nm VCSEL-based optical interconnect platform, Corning multimode fiber connectivity and Astera Labs’ Scorpio Smart Fabric Switch. Reports describe multiple 32 Gb/s optical channels and an error-free PCIe 5 link, but the available accounts do not provide enough test detail to independently assess that performance claim. 2
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What each company contributes
- Lumentum: Its 1060 nm VCSEL-based optical interconnect platform is the optical element in the demonstration. Lumentum describes itself as a leader in optical and photonic technology, but that does not establish that it leads the joint project.
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- Corning: The demonstration uses Corning multimode fiber connectivity to carry the optical channels.
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- Astera Labs: Its Scorpio Smart Fabric Switch is the switching component in the rack-level setup. Astera’s event materials also list copper and optical signal conditioning among its connectivity offerings, but the available sources do not identify a specific signal-conditioning device as part of this proof of concept.
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Together, the components demonstrate an optical route for PCIe connectivity in a rack-scale system. The reported 32 Gb/s figure refers to optical channels; it should not be confused with a claim that the PCIe 5 link itself runs at 32 Gb/s. The “error-free” description is a reported demonstration result, not a guarantee of operation in every deployment. The available material does not specify details such as link distance, test duration or error-rate limits. 25
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Why demonstrate PCIe over optics?
The companies describe the proof of concept as extending PCIe connectivity for AI rack-scale architectures using optics. In practical terms, it brings together a switch, optical interconnect and fiber in one rack-level demonstration rather than describing an optical component in isolation. 2
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The provided announcements do not quantify where this approach would outperform copper or specify a target distance, power saving or deployment scale. Those details would be needed to judge how the demonstration could address connectivity needs as AI systems expand.
How it relates to Lumentum’s ECOC demonstration
A separate announcement said Lumentum, Qualcomm and Corning planned to demonstrate high-density 1060 nm VCSEL optical die-to-die connectivity for AI scale-up at ECOC 2026. That announcement describes a related optical-connectivity effort, but the available information does not establish that the ECOC and OCP demonstrations use the same hardware or architecture. 3
What else is on the OCP 2026 program
Astera Labs lists its OCP Global Summit exhibit at Booth B34 at the San Jose Convention Center from October 12–15, 2026. Its event page describes a broader rack-scale connectivity showcase that includes copper and optical signal conditioning. 38
Lumentum’s announced summit program covers external laser sources for co-packaged optics, VCSEL technologies and optical switching fabrics for AI networks. The provided event information supports those broad topics, but does not substantiate every session detail mentioned in earlier summaries. 1
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What is the short answer to "What Lumentum, Astera Labs and Corning Are Demonstrating at OCP 2026"?
At OCP 2026, Lumentum, Astera Labs and Corning are demonstrating a PCIe over optics proof of concept using 1060 nm VCSEL technology, multimode fiber and Astera’s Scorpio switch.
What are the key points to validate first?
At OCP 2026, Lumentum, Astera Labs and Corning are demonstrating a PCIe over optics proof of concept using 1060 nm VCSEL technology, multimode fiber and Astera’s Scorpio switch. The companies’ reported roles are distinct: Lumentum supplies the optical interconnect platform, Corning the multimode fiber connectivity, and Astera Labs the Scorpio Smart Fabric Switch.
What should I do next in practice?
The demonstration is at Astera Labs’ Booth B34; Lumentum is also presenting on co packaged optics, VCSELs and optical switching.