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A four-channel optical time slot interchange switching experiment operating at 2.5 Gbit/s is reported. The system is based on a parallel switch fabric incorporating semiconductor laser amplifier gates and fibre delay lines. A sensitivity penalty of 0.2 dB for straight through operation, and 0.7 dB for fully interchanged time slots was observed.
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Yao et al. (1993) studied this question.
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