# Directional excitation without breaking reciprocity

> Research article (New Journal of Physics, 2016) · cited 13× · AI/ML

**Wikidata**: [openalex:W2507661770](https://www.wikidata.org/wiki/openalex:W2507661770)  
**Source**: https://4ort.xyz/entity/directional-excitation-without-breaking-reciprocity