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.
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- Kerr nonlinearity
- wavelength-division multiplexing
- optical network
- network design
Rafique, D., & Ellis, A. D. (2011). Nonlinear penalties in dynamic optical networks employing autonomous transponders. IEEE Photonics Technology Letters, 23(17), 1213-1215. . https://doi.org/10.1109/LPT.2011.2158603