Browsing 02 Physical Sciences by Author "Wang Jin"

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Browsing 02 Physical Sciences by Author "Wang Jin"

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  • Low switching threshold using nonlinearities in stopbandtapered waveguide Bragg gratings 
    Maitra Ayan; Poulton Christopher; Wang Jin; Leuthold Juerg; Freude Wolfgang (IEEE Publications, 2005)
    We numerically study the nonlinear switching characteristics in a waveguide grating with a linearly tapered stopband. This type of design shows promising results in decreasing the threshold switching power, while ...
  • Temporal Dynamics of the Alpha Factor in Semiconductor Optical Amplifiers 
    Poulton Christopher; Wang Jin; Maitra Ayan; Freude Wolfgang; Leuthold Juerg (IEEE Publications, 2007)
    The temporal evolution of the α-factor during pumpprobe experiments in semiconductor optical amplifiers (SOAs) is not constant but varies strongly with time. It even takes on negative values for short periods of time. ...