3R regeneration for all-optical networks

Optical signal regeneration is a key function needed for scalable all-optical networks. In this paper functional building blocks and schemes for all-optical 3R regeneration (Re-amplification, Re-shaping, Re-timing) are presented. Bit-rate flexible operation and ultra-fast locking to asynchronous IP data packets are important issues for future networks. System experiments demonstrate the present status of all-optical 3R regeneration.

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