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Capacity Limits of C+L Metro Transport Networks Exploiting Dual-Band Node Architectures

: Emmerich, R.; Eira, A.; Costa, N.; Berenguer, P.W.; Schubert, C.; Fischer, J.K.; Pedro, J.


Institute of Electrical and Electronics Engineers -IEEE-:
Optical Fiber Communications Conference and Exhibition, OFC 2020. Proceedings : San Diego, California, USA, 8–12 March 2020
Piscataway, NJ: IEEE, 2020
ISBN: 978-1-9435-8071-2 (IEEE)
ISBN: 978-1-7281-6762-6 (OSA)
Optical Fiber Communications Conference and Exhibition (OFC) <2020, San Diego/Calif.>
Conference Paper
Fraunhofer HHI ()

We investigate capacity upgrade of metro networks using differentiated node architectures for C+L-bands. The combination of experimental results and network simulations highlights scenarios where low-cost unamplified L-band extensions can be leveraged for maximum capacity.