# Noise analysis in direct detection and coherent detection phase-sensitive optical time-domain reflectometry systems

> Research article (Optics Express, 2023) · cited 15× · AI/ML

**Wikidata**: [openalex:W4383756299](https://www.wikidata.org/wiki/openalex:W4383756299)  
**Source**: https://4ort.xyz/entity/noise-analysis-in-direct-detection-and-coherent-detection-phase-sensitive-optical-time-domain-reflectometry-systems