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A multiwavelength self-healing interoffice all-optical protection ring network requires optical amplifiers with a large dynamic range. We demonstrate that an erbium-doped multiwavelength optical power limiting amplifier (OLA) fulfils the dynamic range requirement. A single three-WDM-channel OLA serving the ring size of 150 km at channel rates of 2.488 Gb/s is presented.
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Chen et al. (1996) studied this question.
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