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Entanglement-Assisted Joint Monostatic-Bistatic Radars.
1Department of Electrical and Computer Engineering, University of Arizona, 1230 E. Speedway Blvd., Tucson, AZ 85721, USA.
Entropy (Basel, Switzerland)
|June 24, 2022
Summary
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.
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.
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