# In situ optical backpropagation training of diffractive optical neural networks

> Research article (Photonics Research, 2020) · cited 226× · AI/ML

**Wikidata**: [openalex:W3015081725](https://www.wikidata.org/wiki/openalex:W3015081725)  
**Source**: https://4ort.xyz/entity/in-situ-optical-backpropagation-training-of-diffractive-optical-neural-networks