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Updated: Oct 14, 2025

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Published on: April 4, 2017

Noise rejection through an improved quantum illumination protocol.

T Gregory¹, P-A Moreau^1,2,3, S Mekhail¹

¹School of Physics and Astronomy, University of Glasgow, Glasgow, G12 8QQ, UK.

Scientific Reports

|November 9, 2021

Summary

This summary is machine-generated.

This study introduces an enhanced quantum illumination protocol for low light imaging. The new method significantly improves noise rejection, enabling advanced quantum imaging in challenging environments.

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Area of Science:

Quantum optics
Quantum information science
Imaging technologies

Background:

Quantum illumination protocols enhance imaging in low light conditions, even with background noise.
Accidental correlations from non-quantum-correlated photon or noise events limit current noise rejection capabilities.

Purpose of the Study:

To present an improved quantum illumination protocol for superior background light and sensor noise rejection.
To enhance quantum imaging performance in the low photon flux regime.

Main Methods:

Development of an advanced quantum illumination protocol.
Implementation in low photon flux imaging scenarios with background noise and sensor noise.

Main Results:

The protocol rejects up to [Formula: see text] of background light and sensor noise.
Achieved an order of magnitude improvement in noise rejection compared to previous methods.
Demonstrated effective noise rejection without requiring scene or noise statistics.

Conclusions:

The improved protocol enables extremely low light quantum imaging in previously challenging environments.
This advancement is crucial for developing covert imaging, quantum microscopes, and quantum LIDAR.
The protocol offers significant advantages for quantum imaging applications requiring high sensitivity and noise resilience.