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Related Experiment Video

Updated: Sep 13, 2025

Multimodal Optical Imaging Platform for Studying Cellular Metabolism

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High-resolution multispectral three-dimensional profiling using a metasurface-enhanced SPAD quanta image sensor.

Peter W R Connolly, Harmony Z Li, Dan Yao

|July 30, 2025

Summary

This summary is machine-generated.

This study introduces a novel single-photon LiDAR camera for high-resolution 3D color imaging. The photon-efficient system achieves millimeter depth resolution and accurate color reconstruction, enabling advanced imaging applications.

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Area of Science:

Photonics and Imaging Technology
Advanced Sensor Development

Background:

Traditional LiDAR systems face limitations in resolution and color imaging capabilities.
Developing compact, efficient sensors for 3D imaging is crucial for emerging technologies.

Purpose of the Study:

To present a novel single-photon LiDAR imaging camera.
To achieve simultaneous high-resolution depth and color estimation.
To demonstrate a compact and photon-efficient imaging system.

Main Methods:

Utilized a time-gated CMOS single-photon avalanche diode detector array.
Integrated a metasurface-based plasmonic color filter array for 3D color imaging.
Employed a sliding detector gate for millimeter-scale depth resolution.

Main Results:

Achieved high-resolution, simultaneous depth and color estimation.
Demonstrated high-fidelity color reconstruction using minimal photons per pixel.
Showcased millimeter-scale depth resolution with a sliding detector gate.

Conclusions:

The developed single-photon LiDAR camera offers advanced depth-sensitive, multispectral imaging.
This technology has broad applicability in space exploration, autonomous navigation, AR/VR, and biomedical imaging.
The photon-efficient design enables new possibilities for 3D color imaging systems.