Quantum Illumination with Gaussian States
Si-Hui Tan,Baris I. Erkmen,Vittorio Giovannetti,Saikat Guha,Seth Lloyd,Lorenzo Maccone,Stefano Pirandola,Jeffrey H. Shapiro +7 more
TLDR
By making the optimum joint measurement on the light received from the target region together with the retained spontaneous parametric down-conversion idler beam, the quantum-illumination system realizes a 6 dB advantage in the error-probability exponent over the optimum reception coherent-state system.Abstract:
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. The performance achieved using a coherent-state transmitter is compared with that of a quantum-illumination transmitter, i.e., one that employs the signal beam obtained from spontaneous parametric down-conversion. By making the optimum joint measurement on the light received from the target region together with the retained spontaneous parametric down-conversion idler beam, the quantum-illumination system realizes a 6 dB advantage in the error-probability exponent over the optimum reception coherent-state system. This advantage accrues despite there being no entanglement between the light collected from the target region and the retained idler beam.read more
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Journal ArticleDOI
Receiver Operating Characteristics for a Prototype Quantum Two-Mode Squeezing Radar
David Luong,C. W. Sandbo Chang,A. M. Vadiraj,Anthony Damini,Christopher Wilson,Bhashyam Balaji +5 more
TL;DR: In this article, a quantum two-mode squeezing radar (QTMS radar) is proposed, which operates solely at microwave frequencies and there is no downconversion from optical frequencies.
Proceedings ArticleDOI
Low-brightness quantum radar
TL;DR: This paper analyze the theoretical performance of low-brightness quantum radar that uses entangled photon states and shows that, compared to the two classical standoff sensing devices, quantum radar is stealthier, more resilient to jamming, and more accurate for the detection of low reflectivity targets.
Journal ArticleDOI
Physical-Layer Supervised Learning Assisted by an Entangled Sensor Network
TL;DR: In this paper, a new paradigm for performing machine learning tasks on a quantum processor offers a potential boost to sensing applications using readily available quantum devices and components, such as quantum computers.
Journal ArticleDOI
Quantum illumination reveals phase-shift inducing cloaking.
U. Las Heras,R. Di Candia,R. Di Candia,Kirill G. Fedorov,Frank Deppe,Frank Deppe,Mikel Sanz,Enrique Solano,Enrique Solano +8 more
TL;DR: In this paper, a quantum illumination protocol adapted to quantum microwave technology is proposed, which exploits the phase shift induced by some cloaking techniques, such as scattering reduction, allowing for a 3 dB improvement in the detection of a cloaked target.
Journal ArticleDOI
Fundamental Quantum Limits to Waveform Detection
Mankei Tsang,Ranjith Nair +1 more
TL;DR: In this article, lower error bounds for waveform detection via a quantum system have been shown, and analytic expressions for the bounds in some cases of interest and discuss how the limits can be approached using quantum control techniques.