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  Measuring the Propagation of Information and Entanglement in Dispersive Media

Clark, J. B., Glasser, R. T., Glorieux, Q., Vogl, U., Li, T., Jones, K. M., et al. (2015). Measuring the Propagation of Information and Entanglement in Dispersive Media. In SLOW LIGHT, FAST LIGHT, AND OPTO-ATOMIC PRECISION METROLOGY VIII. 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA: SPIE-INT SOC OPTICAL ENGINEERING. doi:10.1117/12.2086776.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-002D-6454-7 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-002D-6455-5
Genre: Conference Paper

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 Creators:
Clark, Jeremy B.1, Author
Glasser, Ryan T.1, Author
Glorieux, Quentin1, Author
Vogl, Ulrich2, Author           
Li, Tian1, Author
Jones, Kevin M.1, Author
Lett, Paul D.1, Author
Affiliations:
1external, ou_persistent22              
2Quantum Information Processing, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364707              

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Free keywords: QUANTUM INFORMATION; FAST-LIGHT; IMAGES; SPEED; NOISE; SLOWOptics; Physics; Continuous-variable entanglement; quantum information; four-wave mixing; dispersion;
 Abstract: Although it is widely accepted that information cannot travel faster than the speed of light in vacuum, the behavior of quantum correlations and entanglement propagating through actively pumped dispersive media has not been thoroughly studied. Here we investigate the behavior of quantum correlations and information in the presence of a nonlinear dispersive gaseous medium. We show that the quantum correlations can be advanced by a small fraction of the correlation time while the entanglement is preserved even in the presence of noise added by phase insensitive gain. Additionally, although we observe an advance of the peak of the quantum mutual information between the modes, we find that the degradation of the mutual information due to the added noise appears to prevent an advancement of the mutual information's leading tail. In contrast, we show that both the leading and trailing tails of the mutual information in a slow light system can be significantly delayed in the presence of four-wave mixing (4WM) and electromagnetically induced transparency.

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Language(s): eng - English
 Dates: 2015
 Publication Status: Published online
 Pages: 9
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: ISI: 000354263300010
DOI: 10.1117/12.2086776
 Degree: -

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Title: Conference on Slow Light, Fast Light, and Opto-Atomic Precision Metrology VIII
Place of Event: San Francisco, CA
Start-/End Date: 2015-02-08 - 2015-02-12

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Title: SLOW LIGHT, FAST LIGHT, AND OPTO-ATOMIC PRECISION METROLOGY VIII
  Alternative Title : PROC SPIE
Source Genre: Proceedings
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Publ. Info: 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA : SPIE-INT SOC OPTICAL ENGINEERING
Pages: SPIE Volume / Issue: - Sequence Number: 93780T Start / End Page: - Identifier: ISSN: 0277-786X
ISBN: 978-1-62841-468-4

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Title: Proceedings of SPIE
  Alternative Title : PROC SPIE
Source Genre: Series
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Publ. Info: -
Pages: - Volume / Issue: 9378 Sequence Number: - Start / End Page: - Identifier: ISSN: 0277-786X