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Updated: Sep 15, 2025

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

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Published on: May 30, 2014

10-km passive drone detection using broadband quantum compressed sensing imaging.

Shuxiao Wu^1,2, Jianyong Hu^3,4, Jiaqing Ge^1,2

¹State Key Laboratory of Quantum Optics Technologies and Devices, Institute of Laser Spectroscopy, Shanxi University, Taiyuan, 030006, China.

Light, Science & Applications

|July 14, 2025

Summary

This study introduces a novel passive single-photon dynamic imaging method using quantum compressed sensing for robust drone detection. The technique offers high bandwidth and excellent noise resistance, improving real-world applications.

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Wideband Optical Detector of Ultrasound for Medical Imaging Applications

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Related Experiment Videos

Last Updated: Sep 15, 2025

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

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Published on: May 30, 2014

Electroantennography-based Bio-hybrid Odor-detecting Drone using Silkmoth Antennae for Odor Source Localization

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Wideband Optical Detector of Ultrasound for Medical Imaging Applications

Wideband Optical Detector of Ultrasound for Medical Imaging Applications

Published on: May 11, 2014

Area of Science:

Photonics
Quantum Imaging
Signal Processing

Background:

Remote passive drone detection is difficult due to drones being point objects with no discernible contours, especially in noisy environments.
Existing photon-counting imaging techniques have limitations in bandwidth and noise resistance for detecting small, distant objects.

Purpose of the Study:

To develop a new passive single-photon dynamic imaging method for enhanced drone detection.
To overcome the challenges of background noise and point-object recognition in remote sensing.

Main Methods:

Utilized quantum compressed sensing to construct a compressive imaging system.
Leveraged the randomness of photon radiation and detection for sparse photon detection.
Captured broadband dynamic features of point objects.

Main Results:

Achieved a detectable bandwidth up to 2.05 GHz, surpassing current photon-counting imaging methods.
Demonstrated excellent noise resistance, enabling high-quality imaging with a signal-to-background ratio of 1/332.
Successfully imaged point objects in high-noise conditions.

Conclusions:

The developed passive single-photon dynamic imaging method significantly enhances drone detection capabilities.
This quantum compressed sensing approach improves the performance and applicability of single-photon imaging in real-world scenarios.
The technique offers a promising solution for remote sensing in challenging, noisy environments.