# Double critical coupled ring resonator-based add–drop filters

> Research article (Journal of theoretical and applied physics, 2019) · cited 23× · AI/ML

**Wikidata**: [openalex:W2966887247](https://www.wikidata.org/wiki/openalex:W2966887247)  
**Source**: https://4ort.xyz/entity/double-critical-coupled-ring-resonator-based-adddrop-filters