Optics express
Noise robust geometric constellation design for 32QAM discrete spectrum nonlinear frequency division multiplexing systems.
Xue Tang, Jianxin Ren, Bo Liu, Yaya Mao, Shuaidong Chen, Xiumin Song, Rahat Ullah, Ying Li, Feng Wang
Published: 202510.1364/OE.572395
Abstract
Nonlinear frequency division multiplexing (NFDM) systems utilize the nonlinear Fourier transform to address Kerr nonlinearity in optical fiber communications. However, they are highly sensitive to signal impairments such as amplified spontaneous emis…
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