This work elaborates on: i) why the sliceable bandwidth variable transceiver (S-BVT) represents a key enabler for next-generation optical metro networks; ii) how it should be designed to take benefit of its capabilities and advanced features; and iii) which are the promising technologies to be adopted addressing the most relevant requirements and challenges. Specifically, S-BVT architectures based on multicarrier modulation and flexi-grid technologies, adopting cost-effective optoelectronic front-ends, enable flexible adaptation to dynamic traffic and variable path condition, targeting high capacity and scalability, while saving network resources and costs. Programmability and modularity are envisioned for integration in software-defined optical metro networks.
Michela Svaluto Moreolo, Josep M. Fabrega, and Laia Nadal, "S-BVT for next-generation optical metro networks: benefits, design, and key enabling technologies," Proc. SPIE 10129, Optical Metro Networks and Short-Haul Systems IX, 1012906 (Presented at SPIE OPTO: February 01, 2017; Published: 28 January 2017); https://doi.org/10.1117/12.2250326.
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