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  • 1
    Electronic Resource
    Electronic Resource
    Dual homodyne detection system for measuring asymmetric spectra in the far-infrared regime (1986)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 57 (1986), S. 560-565 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: A dual homodyne detection system for measuring scattered radiation from plasmas has been fabricated. The system is operative in the far-infrared regime, and with it the power spectral distribution of the scattered radiation in the upper and lower sidebands with respect to the frequency of the incident wave can be obtained. Theory of operation and experimental results for simulated radiation fields are given.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1138871
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Improvements in the differential phase shift of magneto-optic waveguides by loading with high refractive index overlayers (1989)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 54 (1989), S. 406-408 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Experimental results are presented for a nonreciprocal phase shift of vertically polarized waves in four-layer magneto-optic rib waveguides. The structure consists of a high refractive index nonmagnetic layer of titanium oxide on top of a magneto-optic film (a lanthanum and gallium substituted yttrium iron garnet film on a gadolinium gallium garnet substrate) to improve differential phase characteristics. The difference of phase constants for waves traveling in opposite directions is evaluated by observing the variation in the polarization coupled out of a straight waveguide when simultaneously exciting both horizontally and vertically polarized waves with equal amplitudes and phases. The phase shift difference varies with the thickness of the nonmagnetic film, and is larger than that of a previous three-layer waveguide in the overlayer thickness range 0.15–0.45 μm. The maximum phase shift obtained is 2.5 times as large as that of uncoated waveguides.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.101567
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Magneto-optic nonreciprocal phase shift in (YLa)3 (FeGa)5O12 single-mode channel waveguides (1988)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 64 (1988), S. 1575-1577 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We have investigated characteristics of the nonreciprocal guided-wave phase shifter, which is one of the key elements in integrated optic isolators and circulators. Based on the external magnetic field independence of the horizontally polarized mode, we measured the nonreciprocal phase shift of the vertically polarized mode using a straight waveguide instead of the complicated interferometric structures employed in previous works. It was revealed that the nonreciprocal phase shift varies remarkably with a thickness of the waveguide and there exists the optimum film thickness for the nonreciprocal phase shifter.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.342503
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    Paper (German National Licenses)
    Fulltext
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