# χ<sup>2</sup>-based AlGaAs phase sensitive amplifier with record gain, noise, and sensitivity

> Research article (Optica, 2021) · cited 22× · AI/ML

**Wikidata**: [openalex:W4200527804](https://www.wikidata.org/wiki/openalex:W4200527804)  
**Source**: https://4ort.xyz/entity/sup-2-sup-based-algaas-phase-sensitive-amplifier-with-record-gain-noise-and-sensitivity