Experimental Demonstration of Nonlinear Frequency Division Multiplexed Transmission
Vahid Aref, Henning Buelow, Karsten Schuh, Wilfried Idler
TL;DR
This paper demonstrates a nonlinear frequency division multiplexed optical communication system that uses NFT detection to achieve 4 Gbps over 640 km with low error rates, showcasing the potential of NFDM in long-distance optical transmission.
Contribution
It presents the first experimental implementation of NFDM with modulation over nonlinear discrete spectrum using NFT detection for high-speed optical transmission.
Findings
Achieved 4 Gbps data rate over 640 km fiber
Low error performance with NFT detection
Demonstrated feasibility of NFDM in practical optical systems
Abstract
We experimentally demonstrate an NFDM optical system with modulation over nonlinear discrete spectrum. Particularly, each symbol carries 4-bits from multiplexing two eigenvalues modulated by QPSK constellation. We show a low error performance using NFT detection with 4Gbps rate over 640km.
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