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IEEE Conference on Antenna Measurements & Applications

Current Readiness for Quantum Radar Implementation

Matthew J. Brandsema

Published Sep 1, 2018• 10 citations
Publisher

Abstract

With the introduction of the quantum radar concept, there has been a great number of discoveries theoretically about its implementation and the possible benefits for use in remote sensing. As of this date, there has been little experimental realization to bolster the theoretical claims. This paper will provide a brief survey of the current status of a quantum radar implementation based on the more relevant research. It will be shown that all of the pieces are currently in place to provide simple, proof-of-concept type of quantum radar experiments.

DOI
10.1109/cama.2018.8530617

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With the introduction of the quantum radar concept, there has been a great number of discoveries theoretically about its implementation and the possible benefits for use in remote sensing. As of this date, there has been little experimental realization to bolster the theoretical claims. This paper will provide a brief survey of the current status of a quantum radar implementation based on the more relevant research. It will be shown that all of the pieces are currently in place to provide simple, proof-of-concept type of quantum radar experiments.
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Quantum illumination (QI) and quantum radar have emerged as potentially groundbreaking technologies, leveraging the principles of quantum mechanics to revolutionise the field of remote sensing and target detection. The protocol, particularly in the context of quantum radar, has been subject to a great deal of aspirational conjecture as well as criticism with respect to its realistic potential. In this review, we present a broad overview of the field of quantum target detection focusing on QI and its potential as an underlying scheme for a quantum radar operating at microwave frequencies. We provide context for the field by considering its historical development and fundamental principles. Our aim is to provide a balanced discussion on the state of theoretical and experimental progress towards realising a working QI-based quantum radar, and draw conclusions about its current outlook and future directions.
It has been recognized for over half a century that quantum mechanics defines the ultimate limits for sensing devices, and products of that recognition are now on the horizon of practical implementation. One of the most promising of those products is quantum radar, which offers a capability to significantly improve the tradeoff between energy and detection sensitivity compared to classical alternatives. We provide a back-of-the-envelope and implementation-agnostic analysis to glimpse the kinds of expected improvement that a quantum radar could provide for applications of interest. Our analysis relies on relatively simplistic models that are only intended to facilitate an intuitive grasp of quantum-versus-classical distinctions. Such analyses of course cannot lead to definitive conclusions, but we believe they provide evidence that in some contexts quantum radar can be expected to offer realizable practical advantages over classical alternatives. We conclude with a discussion of theoretical and practical obstacles and a high-level summary of what can be said about the present status of quantum radar.
The quantum computing began with the concern of Richard Feynman to simulate the non-classical physical theories, Shor's algorithm showed the power of the quantum mechanics when solved a classical problem with it, these facts push the technology to discover and implement the quantum illumination, this discovery made a huge change in sensing theory, moreover, the implemented such as phenomena with a classical radar, make a play role in detecting strategies in sensing the stealth objects (whatever be an aircraft or drones), even more, the quantum radar can detect in an efficient way and more accuracy the natural debris outside the atmosphere, also, the quantum radar can work even though, in nosy, foggy, and high-temperature environment, all these features make the quantum radar promising emerging technology deserve to develop and enhanced in theoretical and technical ways. this paper provided a short analysis study to the most common types of quantum radar showing their cons and pros and could be used either in civil or military fields.
Quantum radar has been proposed in the quantum information science literature as a novel approach to sensing that can offer a substantial gain over existing, classical sensors. In particular, a quantum radar based on quantum entanglement, termed quantum illumination radar, has been theoretically shown to demonstrate superiority over the optimal classical sensor, and there have been some experimental validation. However, all of the existing literature in the subject is in language, terminology and metrics that are completely unfamiliar (or relevant) to classical radar experts, and as a result there is understandable skepticism among the radar experts. This paper attempts to bridge the large gap between practical radar scientists and quantum information science (QIS) experts working in the field. We review the theoretical state-of-the-art in field and examine some of the claims in the literature in terms of metrics of relevance to radar detection, tracking and sensor fusion. We also discuss some possible technological routes to building such a radar across the electromagnetic spectrum.
We consider the implications for the practical usefulness of a quantum enhanced radar system in the scenario where it is able to outperform any classical counterpart. In this context, we analyze the system from two perspectives, in the frequency range from microwaves to terahertz. On the one hand, we discuss the theoretical implications of a quantum radar system, and on the other hand, we consider technologies for realizing an experimental proof of concept. Our main conclusion is that, while realizable experimentally, useful application of microwave quantum radar protocols to any conventional setting is unrealistic because of fundamental restrictions on power levels.