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Nonlinear Penalties in Dynamic Optical Networks Employing Autonomous Transponders

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2 Author(s)
Danish Rafique ; Photonic Systems Group, Tyndall National Institute and Electrical and Electronics Engineering, University College Cork, Cork, Ireland ; Andrew D. Ellis

We report for the first time on the limitations in the operational power range of network traffic in the presence of heterogeneous 28-Gbaud polarization-multiplexed quadrature amplitude modulation (PM-mQAM) channels in a nine-channel dynamic optical mesh network. In particular, we demonstrate that transponders which autonomously select a modulation order and launch power to optimize their own performance will have a severe impact on copropagating network traffic. Our results also suggest that altruistic transponder operation may offer even lower penalties than fixed launch power operation.

Published in:

IEEE Photonics Technology Letters  (Volume:23 ,  Issue: 17 )