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(a) Schematic structure of the PC atom with Kerr nonlinearity investigated in this letter. (b) Field distribution in the PC atom.
Frequency spectrum of the PC atom under low excitation power density when nonlinearity is negligible. The frequency spectrum of the wide pump pulse is also plotted for comparison.
Dependence of the photon lifetime in the nonlinear PC atom on the excitation power density of the pump pulse.
Pump power dependence of the transmitted and reflected spectra. In order to compare the spectral shape, both the transmitted and reflected intersities are normalized to 1.0. The spectrum of the pump pulse is also plotted for reference. The arrows indicate the location for the signal pulse in an all-optical switch.
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