# An Ultra-Low Power PPG and mm-Resolution ToF PPD-Based CMOS Chip Towards All-in-One Photonic Sensors

> Research article (IEEE Sensors Journal, 2019) · cited 13× · AI/ML

**Wikidata**: [openalex:W2971905179](https://www.wikidata.org/wiki/openalex:W2971905179)  
**Source**: https://4ort.xyz/entity/an-ultra-low-power-ppg-and-mm-resolution-tof-ppd-based-cmos-chip-towards-all-in-one-photonic-sensors