# Experimentally realized in situ backpropagation for deep learning in photonic neural networks

> Research article (Science, 2023) · cited 292× · AI/ML

**Wikidata**: [openalex:W4367173722](https://www.wikidata.org/wiki/openalex:W4367173722)  
**Source**: https://4ort.xyz/entity/experimentally-realized-in-situ-backpropagation-for-deep-learning-in-photonic-neural-networks