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Entanglement and nonclassicality of twin beams containing noise

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F14%3A33151633" target="_blank" >RIV/61989592:15310/14:33151633 - isvavai.cz</a>

  • Alternative codes found

    RIV/68378271:_____/14:00439862

  • Result on the web

    <a href="http://dx.doi.org/10.1117/12.2086608" target="_blank" >http://dx.doi.org/10.1117/12.2086608</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1117/12.2086608" target="_blank" >10.1117/12.2086608</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Entanglement and nonclassicality of twin beams containing noise

  • Original language description

    Using the characteristic function of a twin beam composed of both paired and noise components we derive the corresponding statistical operator in the Fock-state basis. Applying the Peres-Horodecki criterion for a partially transposed statistical operator, we determine the negativity of the twin beam to quantify entanglement. In parallel, nonclassicality of the twin beam is quantified by nonclassical depth which is the acceptable amount of noise photons that preserves non-classicality manifested by negative values of the Glauber-Sudarshan quasiprobability function. The connection between entanglement and non-classicality is discussed considering the noise present either in one or both fields constituting the twin beam. Also the state of dimensionality via the Schmidt number as well as von Neumann entropy of the twin beam is analyzed.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    BH - Optics, masers and lasers

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2014

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    19th Polish-Slovak-Czech Optical Conference on Wave and Quantum Aspects of Contemporary Optics

  • ISBN

    978-1-62841-556-8

  • ISSN

    0277-786X

  • e-ISSN

  • Number of pages

    7

  • Pages from-to

    "94410Y-1"-"94410Y-7"

  • Publisher name

    SPIE

  • Place of publication

    Bellingham (OR)

  • Event location

    Jelenia Gora

  • Event date

    Sep 8, 2014

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article

    000349332600033