Adaptive Multicarrier Modulation for Flexible Optical Networks
D Che, W Shieh
2018 23rd Opto-Electronics and Communications Conference (OECC) | IEEE | Published : 2018
© 2018 IEEE. Modern optical networks deploy many cascaded-ROADM to enhance the network flexibility, which induce severe filter narrowing effect. We reveal the linear advantage of adaptive multicarrier modulations by the optimum power allocation and capacity-approaching modulation.