Harnessing the power of light: Advancements in photonic memory for faster optical computing

"https://phys.org/news/2023-07-harnessing-power-advancements-photonic-memory.html

"frequent and rapid switching through volatile modulation and weight storage through 5-bit nonvolatile modulation essential for online training... photonic memory capable of fast volatile modulation nonvolatile photonic network... low-loss PCM antimonite (Sb2S3) into silicon photonic platform... response time <40 ns preserving stored weight information... energy-efficient... >95% accuracy recognizing MNIST dataset... nonvolatile devices in fast-training optical neural networks"