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We propose a dynamic control algorithm for flexible grid networks that can seamlessly adapt to transition channel capacity changes. Long-term network performance is numerically evaluated and the effectiveness of the proposed algorithm is verified.
We propose a novel routing and spectrum assignment algorithm that reserves exclusive spectrum area for high bitrate signals. The aim of this study is to reduce the inherent blocking ratio inequality caused by the non-uniform bandwidth allocation in flexible grid/semi-flexible grid optical path networks. Numerical experiments demonstrate that our proposed assignment strategy can reduce the path setup...
We analyze three add/drop ratio restriction schemes for reducing the hardware scale of colorless, directionless, and contentionless (C/D/C) optical cross-connects. We present three node architectures that implement the add/drop ratio restrictions of these schemes. Numerical experiments elucidate that restricting the add/drop ratios allows the hardware scale to be substantially reduced while the number...
We propose a compact hierarchical optical cross-connect architecture with modular growth capability utilizing newly developed waveband selective switches with dedicated waveband drop ports for grooming. 10-degree HOXC prototype systems are developed and their feasibility verified.
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