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4 May 2020 Opto-gravimetric quantum sensing (Conference Presentation)
Marco O. Lanzagorta, Jeffrey Uhlmann, Salvador Venegas-Andraca, Oliverio Jitrik
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Proceedings Volume 11408, Radar Sensor Technology XXIV; 114080P (2020) https://doi.org/10.1117/12.2558764
Event: SPIE Defense + Commercial Sensing, 2020, Online Only
Abstract
Analysis of quantum-based methods for improved gravimetric sensing has demonstrated that photon entanglement can provide an additional source of target-state information beyond what is possible using purely classical sensing techniques. In this paper we propose a quantum-based system for large-scale space-based detection of small near-earth objects (NEOs). The objective of the system is to measure extremely small deviations in the background gravitational field within a defined surveillance region to identify potentially dangerous NEO intrusions as early as possible. The system is composed of a set of widely-separated line-of-sight emitter-receiver pairs that exchange entangled photons so that the signature of a moving object can be discerned from subtle gravitation-induced spin effects. The key advantage of the system is that detection does not require direct illumination of the target. A potentially more important practical advantage is that the system can be implemented using relatively simple interferometric measurements.
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Marco O. Lanzagorta, Jeffrey Uhlmann, Salvador Venegas-Andraca, and Oliverio Jitrik "Opto-gravimetric quantum sensing (Conference Presentation)", Proc. SPIE 11408, Radar Sensor Technology XXIV, 114080P (4 May 2020); https://doi.org/10.1117/12.2558764
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KEYWORDS
Interferometry
Surveillance
Target detection
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