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Entanglement-Assisted Joint Monostatic-Bistatic Radars.

Ivan B Djordjevic1

  • 1Department of Electrical and Computer Engineering, University of Arizona, 1230 E. Speedway Blvd., Tucson, AZ 85721, USA.

Entropy (Basel, Switzerland)
|June 24, 2022
PubMed
Summary
This summary is machine-generated.

This study introduces an entanglement-assisted (EA) quantum radar that significantly enhances target detection sensitivity beyond classical radar systems. The proposed joint monostatic-bistatic scheme offers superior performance using entangled quantum states.

Keywords:
entanglemententanglement assisted detectionquantum radarsquantum sensingradars

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Area of Science:

  • Quantum Information Science
  • Quantum Sensing
  • Radar Technology

Background:

  • Classical sensors have limitations in sensitivity.
  • Quantum entanglement offers enhanced sensing capabilities.
  • Quantum radar schemes leverage quantum phenomena for improved detection.

Purpose of the Study:

  • To propose and evaluate an entanglement-assisted (EA) joint monostatic-bistatic quantum radar scheme.
  • To demonstrate the superior performance of this quantum radar over conventional and other quantum radar designs.
  • To explore the practical implementation aspects of the proposed scheme.

Main Methods:

  • Development of a joint monostatic-bistatic quantum radar architecture utilizing an entangled source and EA detectors.
  • Application of optical phase conjugation (OPC) at the transmitter and classical coherent detection at receivers.
  • Modeling of radar channels as lossy and noisy Bosonic channels, considering imperfect entanglement distribution.

Main Results:

  • The proposed EA joint quantum radar scheme significantly outperforms classical, coherent states-based quantum detection, and EA monostatic detection.
  • The scheme demonstrates enhanced sensitivity and detection probability.
  • The integrated EA transmitter is suitable for implementation in LiNbO3 technology.

Conclusions:

  • Entanglement-assisted quantum radar offers a significant advantage in sensitivity and detection probability.
  • The joint monostatic-bistatic configuration enhances radar performance.
  • The proposed scheme represents a promising advancement in quantum sensing and radar technology.