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Ayar Labs

Ayar Labs

Ayar Labs develops co-packaged optical interconnects that replace copper I/O to scale AI clusters beyond the rack.

Operating headquarters
San Jose, CA, US🇺🇸
Founded
2015
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Library

Ayar Labs - Library

ayarlabs.com·Crawled Oct 1, 2026·

Topics

Publication type

Content origin
Row density

Blog

7 pages
  1. Blog/blog

    Explore Ayar Labs' blog for expert commentary on optical I/O advancements for AI scale-up, tech trends, and company updates.

  2. How Optical I/O is Enabling the Future of Generative AI: A Q&A with Vladimir Stojanovic/blog/how-optical-i-o-is-enabling-the-future-of-generative-ai-a-qa-with-vladimir-stojanovic

    Vladimir Stojanovic, Ayar Labs co-founder, discusses overcoming AI architecture challenges with advanced optical I/O solutions for improved AI training and inferencing efficiency.

  3. In-Package Optical I/O versus Co-Packaged Optics - Let’s Get Technical!/blog/in-package-optical-i-o-versus-co-packaged-optics-lets-get-technical

    What’s the difference between in-package optical I/O and co-packaged optics (CPO)? Learn more about advances in optical interconnects.

  4. Integrating Optical I/O into Scalable and Cost-Effective AI Designs/blog/addressing-frequently-asked-questions-about-integrating-optical-i-o-into-ai-product-designs

    Discover how Optical I/O enhances AI infrastructure with scalable, energy-efficient designs that reduce costs and boost performance.

Press

1 page
  1. Media/media

    Ayar Labs is solving the I/O bandwidth and power bottlenecks by moving data using light. See how we are enabling the next phase of Moore’s Law. Learn more on our Media page.

Careers & Hiring

1 page
  1. Careers/careers

    At Ayar Labs, you'll work at the frontier of photonics and AI infrastructure to shape the future of AI scale-up. Explore open roles and apply today.

Comparison

1 page
  1. AI Infrastructure Performance Comparison Tool/ai-infrastructure-performance-comparison-tool

    Ayar Labs is solving the I/O bandwidth and power bottlenecks by moving data using light. See how we are enabling the next phase of Moore’s Law. Learn more on our AI Infrastructure Performance Comparison Tool page.

Team

1 page
  1. Leadership/leadership

    Meet our Executive Team, Board of Directors, and Advisors here.

About

1 page
  1. About/about

    Discover Ayar Labs’ journey in revolutionizing data transfer with co-packaged optics. Learn about our vision, leadership, and more.

Contact

1 page
  1. Contact/contact

    Contact us via email or phone for general information or inquires. We’d love to hear from you.

Homepage

1 page
  1. Homepage/

    Ayar Labs’ co-packaged optics for AI scale-up. Built and backed by semiconductor ecosystem leaders.

Privacy

1 page
  1. Privacy Policy/privacy-policy

    Read our Privacy Policy here.

Coverage

7 items
  1. Interview with Richard Ho, OpenAImorethanmoore.substack.com/p/interview-with-richard-ho-openai

    OpenAI hardware vice president Richard Ho discusses Jalapeño, the company’s inference accelerator, in an interview with Dr. Ian Cutress. The article describes a single balanced design with 216 GiB of HBM4 and reports HotChips 2026 claims of 1.5–1.9× higher peak-throughput performance per watt and 1.7–3.6× lower latency than NVIDIA GB200/GB300. Ho also explains how OpenAI models assist chip design and kernel optimization, and recounts his prior work on D. E. Shaw’s Anton supercomputers and Google’s TPU program.

    Sep 2026 · More Than MooreNews article

  2. Ayar Labs, which is developing a way to link AI chips directly with optical connections, raised a $150M extension to its $500M Series E announced in March 2026reuters.com/world/asia-pacific/ayar-labs-backed-by-chip-giants-extends-funding-round-by-150-million-2026-09-10/

    Ayar Labs raises a $150 million extension to its $500 million Series E, announced in March 2026, bringing the financing to $650 million in total. The Silicon Valley startup is developing technology that links AI chips directly through optical connections.

    Sep 2026 · ReutersNews article

  3. Ayar Labs bags $150M in additional late-stage funding to help make bigger AI chip clusterssiliconangle.com/2026/09/10/ayar-labs-bags-150m-in-additional-series-e-funding-to-help-make-bigger-ai-chip-clusters/

    Ayar Labs raises an additional $150 million from an unnamed investor, extending its Series E to $650 million. The optical networking startup says TeraPHY replaces copper connections with optical interconnects to link AI chips, while co-packaged optics place its optical engine in server ASIC sockets. CEO Mark Wade says the funding supports manufacturing-ready products, foundry and packaging work, and engineering capacity as the company targets volume-production qualification by the end of 2027.

    Sep 2026 · SiliconAngleNews article

  4. Ayar Labs Joins NVIDIA NVLink Fusion Ecosystem to Bring Co-Packaged Optics to Rack-Scale AI Infrastructureayarlabs.com/news/ayar-labs-joins-nvidia-nvlink-fusion-ecosystem-to-bring-co-packaged-optics-to-rack-scale-ai-infrastructure/

    Ayar Labs joined the NVIDIA NVLink Fusion ecosystem, making its co-packaged optics optically and electrically compatible with NVIDIA technologies. The announcement positions the technology for rack-scale AI infrastructure.

    Jun 2026 · ayarlabs.comNews article