Quantum illumination with gaussian states

Si Hui Tan, Baris I. Erkmen, Vittorio Giovannetti, Saikat Guha, Seth Lloyd, Lorenzo Maccone, Stefano Pirandola, Jeffrey H. Shapiro

Research output: Contribution to journalArticle

215 Citations (Scopus)

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.

Original languageEnglish (US)
Article number253601
JournalPhysical review letters
Volume101
Issue number25
DOIs
StatePublished - Dec 15 2008
Externally publishedYes

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transmitters
illumination
thermal noise
baths
exponents
reflectance

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Tan, S. H., Erkmen, B. I., Giovannetti, V., Guha, S., Lloyd, S., Maccone, L., ... Shapiro, J. H. (2008). Quantum illumination with gaussian states. Physical review letters, 101(25), [253601]. https://doi.org/10.1103/PhysRevLett.101.253601

Quantum illumination with gaussian states. / Tan, Si Hui; Erkmen, Baris I.; Giovannetti, Vittorio; Guha, Saikat; Lloyd, Seth; Maccone, Lorenzo; Pirandola, Stefano; Shapiro, Jeffrey H.

In: Physical review letters, Vol. 101, No. 25, 253601, 15.12.2008.

Research output: Contribution to journalArticle

Tan, SH, Erkmen, BI, Giovannetti, V, Guha, S, Lloyd, S, Maccone, L, Pirandola, S & Shapiro, JH 2008, 'Quantum illumination with gaussian states', Physical review letters, vol. 101, no. 25, 253601. https://doi.org/10.1103/PhysRevLett.101.253601
Tan SH, Erkmen BI, Giovannetti V, Guha S, Lloyd S, Maccone L et al. Quantum illumination with gaussian states. Physical review letters. 2008 Dec 15;101(25). 253601. https://doi.org/10.1103/PhysRevLett.101.253601
Tan, Si Hui ; Erkmen, Baris I. ; Giovannetti, Vittorio ; Guha, Saikat ; Lloyd, Seth ; Maccone, Lorenzo ; Pirandola, Stefano ; Shapiro, Jeffrey H. / Quantum illumination with gaussian states. In: Physical review letters. 2008 ; Vol. 101, No. 25.
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