# Detecting an Itinerant Optical Photon Twice without Destroying It

> Research article (Physical Review Letters, 2021) · cited 19× · AI/ML

**Wikidata**: [openalex:W3166961037](https://www.wikidata.org/wiki/openalex:W3166961037)  
**Source**: https://4ort.xyz/entity/detecting-an-itinerant-optical-photon-twice-without-destroying-it