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Preparation of Knill-Laflamme-Milburn states using a tunable controlled phase gate

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F11%3A33117462" target="_blank" >RIV/61989592:15310/11:33117462 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1088/0953-4075/44/19/195501" target="_blank" >http://dx.doi.org/10.1088/0953-4075/44/19/195501</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1088/0953-4075/44/19/195501" target="_blank" >10.1088/0953-4075/44/19/195501</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Preparation of Knill-Laflamme-Milburn states using a tunable controlled phase gate

  • Original language description

    A specific class of partially entangled states known as Knill-Laflamme-Milburn states (or KLM states) has been proved to be useful in relation to quantum information processing (Knill et al 2001 Nature 409 46). Although the usage of such states is widelyinvestigated, considerably less effort has been invested into experimentally accessible preparation schemes. This paper discusses the possibility of employing a tunable controlled phase gate to generate an arbitrary KLM state. In the first part, the idea of using the controlled phase gate is explained on the case of two-qubit KLM states. Optimization of the proposed scheme is then discussed for the framework of linear optics. Subsequent generalization of the scheme to the arbitrary n-qubit KLM state isderived in the second part of this paper.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • 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

    2011

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Journal of Physics B: Atomic, Molecular and Optical Physics

  • ISSN

    0953-4075

  • e-ISSN

  • Volume of the periodical

    44

  • Issue of the periodical within the volume

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    5

  • Pages from-to

    195501-1-195501-5

  • UT code for WoS article

    000295217300031

  • EID of the result in the Scopus database