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Lightmatter Raises $154M in Series C Round

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Photonic supercomputing company Lightmatter has raised $154 million in a series C funding round. The company said that it will leverage the financing to deliver its photonic technology to cloud providers, semiconductor companies, and enterprises for higher performance and energy efficiency in artificial intelligence (AI) and high-performance computing workloads.

“Rapid progress in artificial intelligence is forcing computing infrastructure to improve at an unprecedented rate,” said Lightmatter co-founder and CEO Nick Harris. “The energy costs of this growth are significant, even on a planetary scale.”

According to Harris, generative AI and supercomputing are both poised for a transformation driven by photonic technologies in the coming years.

As Lightmatter moves toward sending product to customers, the company will build on its current offerings: a general-purpose machine learning accelerator that combines photonics and transistor-based systems; a wafer-scale, programmable photonic interconnect that enables arrays of heterogeneous chips to communicate; and standard deep learning frameworks and model exchange formats. The company’s photonic interconnect features transistors and photonics integrated side by side to provide an interface that allows 40 passage lanes to fit in the space of a single optical fiber. The architecture reduces packaging complexity and cost while increasing performance.

 


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Glossary
quantum
The term quantum refers to the fundamental unit or discrete amount of a physical quantity involved in interactions at the atomic and subatomic scales. It originates from quantum theory, a branch of physics that emerged in the early 20th century to explain phenomena observed on very small scales, where classical physics fails to provide accurate explanations. In the context of quantum theory, several key concepts are associated with the term quantum: Quantum mechanics: This is the branch of...
artificial intelligence
The ability of a machine to perform certain complex functions normally associated with human intelligence, such as judgment, pattern recognition, understanding, learning, planning, and problem solving.
semiconductor
A semiconductor is a type of material that has electrical conductivity between that of a conductor and an insulator. In other words, semiconductors have properties that are intermediate between metals (good conductors of electricity) and insulators (poor conductors of electricity). The conductivity of a semiconductor can be controlled and modified by factors such as temperature, impurities, or an applied electric field. The most common semiconductors are crystalline solids, and they are...
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