Underwater target detection with quantum illumination

Shengli Zhang; Qian Sun; Meng Zhang; Hang Zeng; Shuming Wang

doi:10.1117/12.2625106

27 March 2022 Underwater target detection with quantum illumination

Shengli Zhang, Qian Sun, Meng Zhang, Hang Zeng, Shuming Wang

Proceedings Volume 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications; 1216988 (2022) https://doi.org/10.1117/12.2625106
Event: Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 2021, Kunming, China

Abstract

Quantum Illumination is a powerful tool for detecting a weakly-reflective target embedded in noise environment. Up to now, all quantum illumination techniques have been investigated in free-space scenario. Thus, it is still an open and interesting question whether quantum illumination could be applied to underwater target detection. Here, by using quantum entanglement generated by spontaneous parametric down conversion and joint quantum measurement of returned signal mode and idler mode, we construct a model of underwater target detection with quantum illumination technique. Further, we apply a set of typical experimental parameter and show that a 10-dB enhancement in the detection of a target embedded in 30-meter water can be observed. This work shows the potential applicability of quantum information technology in future underwater target detection.

Citation Download Citation

Shengli Zhang, Qian Sun, Meng Zhang, Hang Zeng, and Shuming Wang "Underwater target detection with quantum illumination", Proc. SPIE 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 1216988 (27 March 2022); https://doi.org/10.1117/12.2625106

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