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A field trial of all-optical networking by an intelligent control plane based on generalized multiprotocol label switching (GMPLS) technologies was successfully conducted with the assistance of optical performance monitors (OPMs) capable of monitoring the in-band optical signal-to-noise ratio (OSNR). In the field trial, the GMPLS control plane was applied to not only fast provisioning of all-optical...
We propose a link performance monitoring technique based on a dedicated optical monitoring channel to dynamically assess link performance like link OSNR and link MPI crosstalk for path computation in transparent optical networks.
Bit error rate performance improvement using an SPM-based all-optical reshaper with OTDM receiver was demonstrated. We have achieved 80% spectral efficiency without using polarisation demultiplexing at the receiver for 42.7Gb/s-based DWDM CS-RZ signals.
40 GHz-spaced 25 times 42.7 Gbit/s transmission was successfully conducted over 320 km by using EDFA repeaters, asymmetrically filtered CS-RZ signal, an OTDM receiver and a novel spectral crosstalk suppressor based on the optical gating of dispersively stretched signal
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