# Spectral purity transfer with 5 × 10<sup>−17</sup> instability at 1 s using a multibranch Er:fiber frequency comb

> Research article (Metrologia, 2019) · cited 16× · AI/ML

**Wikidata**: [openalex:W2950312274](https://www.wikidata.org/wiki/openalex:W2950312274)  
**Source**: https://4ort.xyz/entity/spectral-purity-transfer-with-5-10-sup-17-sup-instability-at-1-s-using-a-multibranch-er-fiber-frequency-comb