Nonlinear integrated response of optical wide area networks (OWANs)

F. El-Halafawy, A. Aboul-Enein, A.E.-N.A. Mohammed, M.M. El-Khamry
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Abstract

In the present paper, an integrated study of the nonlinear response of optical wide area networks has been carried out. The linear refractive index, the spectral losses, and the nonlinear refractive index coefficient of the germania doped silica [SiO/sub 2/(1-x)+GeO/sub 2/(x)] are considered. Also, the gain of the employed erbium-doped fiber amplifier is both thermally and spectrally dependent variable. Two propagation techniques are employed to investigate the transmitted bit rate: namely soliton and maximum time division techniques. High-order mode fibers are employed to achieve chromatic dispersion management where high bit rates are assured. The investigation of the nonlinear response is based on a very important criteria: namely the product of the bit rate and the repeater spacing. Such product is linearity and is positively correlated with a newly integrated figure of merit.
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光广域网(OWANs)的非线性综合响应
本文对光广域网的非线性响应进行了综合研究。考虑了锗掺杂二氧化硅[SiO/sub 2/(1-x)+GeO/sub 2/(x)]的线性折射率、光谱损耗和非线性折射率系数。此外,所采用的掺铒光纤放大器的增益是热相关和光谱相关的变量。采用两种传输技术来研究传输比特率:即孤子技术和最大时分技术。采用高阶模光纤实现色散管理,保证高比特率。非线性响应的研究是基于一个非常重要的准则:即比特率和中继器间距的乘积。该乘积是线性的,并与一个新的综合的优点数字正相关。
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