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  • AIP Publishing  (2)
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  • AIP Publishing  (2)
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  • 1
    Online-Ressource
    Online-Ressource
    Storage and retrieval of light pulse in coupled quantum wells
    AIP Publishing ; 2016
    In:  AIP Advances Vol. 6, No. 3 ( 2016-03-01)
    Details
    In: AIP Advances, AIP Publishing, Vol. 6, No. 3 ( 2016-03-01)
    Kurzfassung: In this paper, we propose an effective scheme to create a frequency entangled states based on bound-to-bound inter-subband transitions in an asymmetric three-coupled quantum well structure. A four-subband cascade configuration quantum well structure is illuminated with a pulsed probe field and two continuous wave control laser fields to generate a mixing field. By properly adjusting the frequency detunings and the intensity of coupling fields, the conversion efficiency can reach 100%. A maximum entangled state can be achieved by selecting a proper length of the sample. We also numerically investigate the propagation dynamics of the probe pulse and mixing pulse, the results show that two frequency components are able to exchange energy through a four-wave mixing process. Moreover, by considering special coupling fields, the storage and retrieval of the probe pulse is also numerically simulated.
    Materialart: Online-Ressource
    ISSN: 2158-3226
    URL: Article
    DOI: 10.1063/1.4945442
    Sprache: Englisch
    Verlag: AIP Publishing
    Publikationsdatum: 2016
    ZDB Id: 2583909-3
    Standort Signatur Einschränkungen Verfügbarkeit
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    Online-Ressource
  • 2
    Online-Ressource
    Online-Ressource
    Generalized analytical solutions and breather for nonlinear acoustic wave propagation in molecular magnets
    AIP Publishing ; 2014
    In:  Journal of Applied Physics Vol. 116, No. 6 ( 2014-08-14)
    Details
    In: Journal of Applied Physics, AIP Publishing, Vol. 116, No. 6 ( 2014-08-14)
    Kurzfassung: In this paper, we show that, in the presence of two strong ac magnetic fields, a weak acoustic wave interacts with a crystal of molecular magnets. We obtain the analytical expression for absorption and group velocity in the linear case and discuss the effect of two coupling fields intensity on absorption and group velocity. Then, we find and analyze a series of generalized analytical solutions for nonlinear acoustic wave propagation in molecular magnets with arbitrary linear and nonlinear coefficients.
    Materialart: Online-Ressource
    ISSN: 0021-8979 , 1089-7550
    URL: Article
    DOI: 10.1063/1.4892631
    Sprache: Englisch
    Verlag: AIP Publishing
    Publikationsdatum: 2014
    ZDB Id: 220641-9
    ZDB Id: 3112-4
    ZDB Id: 1476463-5
    Standort Signatur Einschränkungen Verfügbarkeit
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    Online-Ressource
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