Sequence Selection with Dispersion-Aware Metric for Long-Haul Transmission Systems

no code implementations • 21 Dec 2023 • Jingtian Liu, Élie Awwad, Hartmut Hafermann, Yves Jaouën

Then, by applying D-EDI and EDI to the sequence selection (SS) process, %with enumerative sphere shaping (ESS) for $M$-QAM signaling, we present two signaling approaches denoted as D-SS and E-SS respectively.

Analysis and Experimental Demonstration of Orthant-Symmetric Four-dimensional 7 bit/4D-sym Modulation for Optical Fiber Communication

no code implementations • 28 Mar 2020 • Bin Chen, Alex Alvarado, Sjoerd van der Heide, Menno van den Hout, Hartmut Hafermann, Chigo Okonkwo

We propose a new four-dimensional orthant-symmetric 128-ary modulation format (4D-OS128) with a spectral efficiency of 7bit/4D-sym.

Data Transmission based on Exact Inverse Periodic Nonlinear Fourier Transform, Part I: Theory

no code implementations • 28 Nov 2019 • Jan-Willem Goossens, Hartmut Hafermann, Yves Jaouën

By encoding information on the nonlinear spectrum, a transmission scheme inherently compatible with the nonlinear fiber is obtained.

Data Transmission based on Exact Inverse Periodic Nonlinear Fourier Transform, Part II: Waveform Design and Experiment

no code implementations • 28 Nov 2019 • Jan-Willem Goossens, Hartmut Hafermann, Yves Jaouën

The nonlinear Fourier transform has the potential to overcome limits on performance and achievable data rates which arise in modern optical fiber communication systems when nonlinear interference is treated as noise.