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We carry out a detailed experimental characterization of a four-wave mixing based amplitude limiter in highly nonlinear fiber based on the Bessel-like power transfer characteristics and highlight trade-offs for phase preserving capabilities.
We successfully demonstrate a flat-structured DCN powered by large-port-count fibre-switch-based OCS, PLZT-switch enabled TDM and MEFs supported SDM. The inter-DCN ToR-to-ToR direct optical connections are setup through metro/core networks using all-optical SDM/WDM converters.
Multi-element Fibers (MEFs) are presented as an alternative spatial division multiplexing (SDM) technology which can address some of the drawbacks that current implementations exhibit. The benefits obtained from this fiber geometry show that MEF can be a cost-effective solution for SDM implementation in commercial optical networks.
This paper reviews a novel approach of implementing space-division multiplexing (SDM) based on Multi-element Fiber (MEF) technology. The MEF geometry provides for ultra-low crosstalk between the spatial channels while full compatibility with standard WDM components is maintained. Passive Ge-doped 3-MEFs have been fabricated and characterized and error free WDM data transfer at an aggregate rate of...
We show on-demand multi-wavelength spectrum and space defragmentation in an SDM and elastic network with four programmable nodes and two multi-core fiber links. The combined approach is shown to reduce blocking and hardware requirements in small nodes.
A flexible modulation-, bit rate- independent and polarization insensitive wavelength converter based on a highly nonlinear fiber is demonstrated in the middle-point of a field trial transmission experiment.
We report the first gridless networking field trial with flexible spectrum switching nodes over 620 km field fibre links. Successful transport, spectrum switching and defragmentation achieved for mixed line signals including 555G and coherent 100G.
We review the progress on the various existing fibre-based solutions proposed to date to extend all-optical 2R regeneration to multi-channel operation. Our emphasis is on a bi-directional architecture based on offset filtering of an SPM-broadened spectrum.
A regenerative optical grooming switch for interconnecting 130 Gbit/s and 40 Gbit/s networks with switching functionality in time, space and wavelength domain is demonstrated. Lab and field demonstrations show the feasibility of the new concept developed by the TRIUMPH project consortia. Q-factors above 20 dB are reported.
We carried out an off-line 10.7 Gb/s transmission experiment over installed fiber, using narrow-filtered duobinary and a noise-correlation-sensitive MLSE receiver. We achieved MLSE-systems record distance (1300 km, 2048 states) and record efficiency (800 km, 64 states).
We report, for the first time, a field trial of a novel 42.7 Gbps/128.1 Gbps WDM/OTDM grooming node, and confirm node interoperability and the data integrity of asynchronous retiming.
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