# Phase retrieval with only a nonnegativity constraint

> Research article (Optics Letters, 2022) · cited 18× · AI/ML

**Wikidata**: [openalex:W4311544914](https://www.wikidata.org/wiki/openalex:W4311544914)  
**Source**: https://4ort.xyz/entity/phase-retrieval-with-only-a-nonnegativity-constraint