作者
Morteza Kamalian-Kopae, A Vasylchenkova, O Kotlyar, M Pankratova, J Prilepsky, S Turitsyn
发表日期
2019/6/23
研讨会论文
2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)
页码范围
1-1
出版商
IEEE
简介
Nonlinear Fourier transform (NFT) has shown its potential to overcome some challenges of nonlinear signal distortions in fibre-optic communications ystems [1]. However, there is yet so much unknown about fundamental properties and traits of a communication based on NFT. One of the most important aspects of an optical communication system is its robustness against the inevitable amplified spontaneous emission (ASE) noise coming from optical amplifiers. The ASE noise not only contaminates the signal as it does for all systems, but it also has a special detrimental effect on NFT-based systems; destroying the very basic concept of integrability of the nonlinear Schrodinger equation (NLSE). Moreover, this noise, undergoing a nonlinear transformation, i.e. "direct NFT" is dependent on the signal power. There are initial studies to model the noise in the nonlinear Fourier domain and some approximations for …
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