Photonic Tensor Cores

last updated 2026-05-04

Physics / mechanism

Competitive landscape

Electronic ASICs (Nvidia H100, Groq LPU, Cerebras) dominate at scale, offering 8–16-bit precision with mature toolchains. Photonic cores trade precision and programmability for energy efficiency at high bandwidth. In-memory compute (SRAM/DRAM MAC, e.g. Mythic, Untether) occupies the mid-ground. Photonic vs. electronic vs. hybrid comparison:

Companies using

Connected ideas

Sources

Frontier (open questions)