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Related papers: Quantum Illumination at the Microwave Wavelengths

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Quantum illumination is a quantum-optical sensing technique in which an entangled source is exploited to improve the detection of a low-reflectivity object that is immersed in a bright thermal background. Here we describe and analyze a…

Quantum illumination is a quantum-optical sensing technique in which an entangled source is exploited to improve the detection of a low-reflectivity object that is immersed in a bright thermal background. Entangled sources between microwave…

Quantum Physics · Physics 2018-12-04 Biao Xiong , Xun Li , Xiao-Yu Wang , Ling Zhou

Quantum illumination is a powerful sensing technique that employs entangled signal-idler photon pairs to boost the detection efficiency of low-reflectivity objects in environments with bright thermal noise. The promised advantage over…

Quantum Physics · Physics 2020-05-12 S. Barzanjeh , S. Pirandola , D. Vitali , J. M. Fink

Quantum illumination (QI) is a quantum sensing protocol mainly for target detection which uses entangled signal-idler photon pairs to enhance the detection efficiency of low-reflectivity objects immersed in thermal noisy environments.…

Quantum Physics · Physics 2021-05-26 Qizhi Cai , Jinkun Liao , Bohai Shen , Guangcan Guo , Qiang Zhou

In quantum illumination entangled light is employed to enhance the detection accuracy of an object when compared with the best classical protocol. On the other hand, cloaking is a stealth technology based on covering a target with a…

Quantum Physics · Physics 2020-01-06 U. Las Heras , R. Di Candia , K. G. Fedorov , F. Deppe , M. Sanz , E. Solano

Quantum illumination uses a quantum state of the electromagnetic field to detect the presence of a target against a bright background more sensitively than any classical state. Most often, the quantum state is a two-mode squeezed vacuum…

Quantum Physics · Physics 2021-04-14 Jonathan N. Blakely

Quantum illumination consists in shining quantum light on a target region immersed in a bright thermal bath, with the aim of detecting the presence of a possible low-reflective object. If the signal is entangled with the receiver, then a…

Quantum Physics · Physics 2017-02-28 M. Sanz , U. Las Heras , J. J. Garcia-Ripoll , E. Solano , R. Di Candia

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,…

Quantum Physics · Physics 2024-08-02 Athena Karsa , Alasdair Fletcher , Gaetana Spedalieri , Stefano Pirandola

The use of entangled light to illuminate objects is shown to provide significant enhancements over unentangled light for detecting and imaging those objects in the presence of high levels of noise and loss. Each signal sent out is entangled…

Quantum Physics · Physics 2008-03-14 Seth Lloyd

In this report, we discuss possibilities to detect a signal at the target from the quantum illumination protocol, that could serve as a quantum radar. We assume a simple universal detecting schema on the target and study if it is possible…

Quantum Physics · Physics 2019-06-26 Michal Krelina

Quantum radar has emerged as a promising paradigm that utilizes entanglement and quantum correlations to overcome the limitations of classical detection in noisy and lossy environments. By exploiting microwave entanglement generated from…

Quantum Physics · Physics 2025-10-14 Murat Can Karakoc , Ozgun Ersoy , Ahmad Salmanoghli Khiavi , Asaf Behzat Sahin

Quantum illumination is an entanglement-based target detection protocol that provides quantum advantages despite the presence of entanglement-breaking noise. However, the advantage of traditional quantum illumination protocols is limited to…

Quantum Physics · Physics 2024-06-26 Xiaobin Zhao , Zheshen Zhang , Quntao Zhuang

Quantum illumination can utilize entangled light to detect the low-reflectivity target that is hidden in a bright thermal background. This technique is applied to the detection of an object in the curved spacetime of the Earth, in order to…

General Relativity and Quantum Cosmology · Physics 2022-10-18 Qianqian Liu , Cuihong Wen , Zehua Tian , Jiliang Jing , Jieci Wang

A minimally-invasive way to detect the presence of a stealth target is to probe it with a single photon and analyze the reflected signals. The efficiency of such a conventional detection scheme can potentially be enhanced by the method of…

Quantum Physics · Physics 2018-01-24 Man-Hong Yung , Fei Meng , Ming-Jing Zhao

In Quantum Illumination (QI), a signal beam initially entangled with an idler beam held at the receiver interrogates a target region bathed in thermal background light. The returned beam is measured jointly with the idler in order to…

Quantum Physics · Physics 2020-07-14 Ranjith Nair , Mile Gu

Quantum communication is a holy grail to achieve secure communication among a set of partners, since it is provably unbreakable by physical laws. Quantum sensing employs quantum entanglement as an extra resource to determine parameters by…

Quantum Physics · Physics 2018-12-27 Mikel Sanz , Kirill G. Fedorov , Frank Deppe , Enrique Solano

Quantum illumination leverages entanglement to surpass classical target detection, even in high-noise environments. Remarkably, its quantum advantage persists despite entanglement degradation caused by environmental decoherence. A central…

Quantum Physics · Physics 2025-07-24 Xin Chen , Zhibin Ye

Superposition and entanglement, the quintessential characteristics of quantum physics, have been shown to provide communication, computation, and sensing capabilities that go beyond what classical physics will permit. It is natural,…

Quantum Physics · Physics 2019-12-24 Jeffrey H. Shapiro

An optical transmitter irradiates a target region containing a bright thermal-noise bath in which a low-reflectivity object might be embedded. The light received from this region is used to decide whether the object is present or absent.…

A Doppler radar is a device that employs the Doppler effect to estimate the radial velocity of a moving target at a distance. Traditional radars are based on a classical description of the electromagnetic radiation, but in principle their…

Quantum Physics · Physics 2024-11-22 Rongyu Wei , Francesco Albarelli , Jun Li , Vittorio Giovannetti
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