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  • 1995-1999  (1)
  • 1990-1994  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Surface nonlocality effects on an optically active waveguide (1999)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 86 (1999), S. 5348-5355 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A new wave-vector-space method capable of finding electromagnetic wave propagation in bounded nonlocal media without using boundary conditions is used to find the modes of an optically active planar dielectric waveguide. Optical activity involves first-order wave-vector dispersion (nonlocality). The method finds how the altered nonlocal interaction close to the surfaces affects the waveguide modes. It is found that first-order effects of the surface layer nonlocality enter both the dispersion relation and the field profiles. The waveguide geometry is also used as an impetus to generalize several aspects of the wave-vector-space method. © 1999 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.371531
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Raman scattering of slab-mode phonons in InGaAsP/InP multiple quantum wells (1991)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 59 (1991), S. 2406-2408 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Raman light scattering experiments in lattice-matched InGaAsP/InP multiple quantum wells are reported. Use of laser light below the InP band gap permitted study of right-angle scattering with the scattered light emerging parallel to the layers. Scattering by the binary InP longitudinal optic (LO) and transverse optic (TO) phonons dominated the spectra. The polarization selection rules for the TO and LO scattering were found to differ strongly compared to those operative in bulk InP. This is interpreted as arising from the interchange of the LO and TO phonon frequencies as expected in a dielectric continuum slab whose thickness is small compared to the wavelength of the incident radiation. In addition weak Raman scattering by a mixture of InGaAs and InP vibrations in the quaternary well material is reported.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.106030
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    Paper (German National Licenses)
    Fulltext
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