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Demonstration of Entanglement-Enhanced Covert Sensing
Shuhong Hao1, Haowei Shi2, Christos N Gagatsos2
1Department of Materials Science and Engineering, University of Arizona, Tucson, Arizona 85721, USA.
Quantum entanglement enhances covert sensing for high-precision measurements and data security. This quantum sensing approach ensures undetectable protocol execution, boosting performance beyond classical methods.
Area of Science:
- Quantum physics
- Quantum information processing
- Quantum sensing
Background:
- Quantum physics offers superior performance and security for information processing.
- Quantum sensing utilizes nonclassical resources for unmatched measurement precision.
- Quantum cryptography ensures unconditional data secrecy.
Purpose of the Study:
- To present the theory and experiment for entanglement-enhanced covert sensing.
- To achieve high measurement precision and data integrity simultaneously.
- To conceal probe signals in ambient noise for undetectable protocol execution.
Main Methods:
- Developing and implementing an entanglement-enhanced covert sensing protocol.
- Utilizing entanglement for improved phase estimation of probed objects.
- Operating the protocol close to the fundamental quantum limit with optimized sources and receivers.
Main Results:
- Entanglement provides a performance boost in phase estimation compared to classical protocols at the same covertness level.
- The implemented protocol achieves near-optimal performance.
- Demonstrated high probability of undetectable protocol execution.
Conclusions:
- Entanglement-enhanced covert sensing offers a paradigm for secure and precise quantum information processing.
- The protocol operates near the quantum limit, showcasing significant advancements.
- This work opens opportunities for quantum information processing at unprecedented security and performance levels.
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