Abstract-We present a new technique for extending the decay time of the impulse response function of a Fabry-Pérot filter while simultaneously maintaining a large bandwidth. It involves double passing through the filter and it can be used for the easy multiplication of the repetition rate of optical sources. We apply the concept to a 10-GHz pulse train to demonstrate experimentally the rate quadruplication to 40 GHz.
Abstract-A 40-Gb/s asynchronous self-routing network and node architecture that exploits bit and packet level optical signal processing to perform synchronization, forwarding, and switching in the optical domain is presented. Optical packets are self-routed on a hop-by-hop basis through the network by using stacked optical tags, each representing a specific optical node. Each tag contains necessary control signals for configuring the node-switching matrix and forwarding each packet to the appropriate outgoing link and onto the next hop. In order to investigate the feasibility of their approach physical-layer simulations are performed, modeling each optical subsystem of the node showing acceptable signal quality and end-to-end bit error rates. In the All-optical selfRouTer EMploying bIt and packet-level procesSing (ARTEMIS) control plane, a timed/delayed resource reservation-based signaling scheme is employed combined with a load-balancing feedbackbased contention-avoidance mechanism that can guarantee a high performance in terms of blocking probability and end-toend delay.Index Terms-All-optical logic gate, all-optical signal processing, asynchronous traffic, feedback-based protocols, optical-burst switching (OBS), optical packet switching, self-routing, semiconductor optical amplifier (SOA), timed/delayed reservation.
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