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We develop a 270 × 270 optical cross-connect that utilizes our cascaded arrayed waveguide-grating (AWG) configuration. The system is set in a 370 × 230 × 120 mm3 box and its feasibility is confirmed by transmission experiments.
We significantly reduce OXC hardware scale by utilizing our interconnected subsystem architecture. It basically matches the routing capability of the conventional architecture but with more than 75% fewer WSSs.
This paper investigates the impact of wavelength/waveband convertors in hierarchical optical path networks. It shows that even if their costs are relatively high, hierarchical optical path networks can be cost effective over a wide traffic demand area.
We analyzed three different kinds of add/drop ratio restriction schemes for reducing OXC hardware scale and network resource requirements. Numerical experiments clarify the degree of effectiveness of each restriction.
This paper proposes a novel optical switch architecture that attains colorless/directionless/contentionless (C/D/C) capabilities. The proposed architecture combines simple switches and AWGs, and is easy to implement. We experimentally confirm its technical feasibility in an experiment.
We propose a novel network architecture that exploits coarse granular routing while add/drop operations are done at wavelength granularity. Node architecture and the network design algorithm are introduced. Numerical results verify its cost efficacy.
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