Microwave quantum illumination

Physical Review Letters
Shabir BarzanjehStefano Pirandola

Abstract

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 system for applying this technique at microwave frequencies, a more appropriate spectral region for target detection than the optical, due to the naturally occurring bright thermal background in the microwave regime. We use an electro-optomechanical converter to entangle microwave signal and optical idler fields, with the former being sent to probe the target region and the latter being retained at the source. The microwave radiation collected from the target region is then phase conjugated and upconverted into an optical field that is combined with the retained idler in a joint-detection quantum measurement. The error probability of this microwave quantum-illumination system, or quantum radar, is shown to be superior to that of any classical microwave radar of equal transmitted energy.

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Citations

Mar 8, 2016·Scientific Reports·Mei WangYing Wu
Jan 15, 2016·Physical Review Letters·Leonardo BanchiStefano Pirandola
Mar 25, 2017·Scientific Reports·Wen-Te Liao, Adriana Pálffy
Mar 25, 2017·Physical Review Letters·J GoetzR Gross
Mar 4, 2017·Physical Review Letters·M SanzR Di Candia
Jan 18, 2018·Physical Review Letters·Mark M WildeMario Berta
May 6, 2019·Optics Express·Eugene KnyazevMaria V Chekhova
Feb 23, 2020·Science Advances·T GregoryM J Padgett
May 2, 2020·Physical Review Letters·Yi XiaZheshen Zhang
Mar 25, 2017·Physical Review Letters·Stefano Pirandola, Cosmo Lupo
Feb 27, 2018·Physical Review Letters·Shabir BarzanjehAndré Xuereb
Jan 20, 2018·Physical Review. E·Sh BarzanjehC Simon
Aug 26, 2017·Scientific Reports·U Las HerasE Solano
Jan 25, 2020·Physical Review Letters·Changchun ZhongLiang Jiang
Jul 28, 2020·Sensors·Alberto GhirriMarco Affronte
Feb 12, 2017·Physical Review Letters·Quntao ZhuangJeffrey H Shapiro
Apr 25, 2018·Scientific Reports·K G FedorovR Gross
Jun 18, 2020·Science Advances·S BarzanjehJ M Fink
Sep 7, 2019·Physical Review Letters·Kai BaiJun-Hong An
Jun 28, 2019·Nature·S BarzanjehJ M Fink
Nov 17, 2020·Physical Review Letters·Haowei ShiQuntao Zhuang
Apr 7, 2021·Optics Express·Hao YangJohn Jeffers
Jul 10, 2021·Physical Review Letters·Shuhong HaoZheshen Zhang
Jul 3, 2021·Physical Review Letters·Quntao Zhuang
Aug 7, 2021·Physical Review Letters·Feixiang XuLijian Zhang

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