Abstract
High-speed optical processing for packet routing can overcome bottleneck in large- capacity photonic networks. We have studied on collinear acousto-optic (AO) switches and applications to optical label recognition. Since parallel combination of collinear AO switches can handle wavelength-division-multiplexed (WDM) optical pulses, recognition for optical labels encoded in spectral and time domains can be realized. In this report, we discuss recognition of layer-structure labels for hierarchical routing control. By employing WDM time-series labels in- cluding identifying bits, the labels corresponding to each layer can be recognized. The recognition characteristics are conflrmed by computer simulation.
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