We consider the interaction of two coherent optical pulses in a one-dimensional, resonant photonic crystal which includes a defect produced by a coherent pump. Using numerical methods, the defect is shown to provide a selective reversible trap for a gap soliton mediated by the long-range coupling. This opens up new opportunities for signal transmission control, light localization and a simple one bit optical memory.
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Mel’nikov et al. (2005) studied this question.
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