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首页> 外文期刊>Optical and quantum electronics >Dispersion compensation in silica doped fiber using soliton transmission technique over cascaded FBG
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Dispersion compensation in silica doped fiber using soliton transmission technique over cascaded FBG

机译：二氧化硅掺杂纤维的分散补偿使用孤子传输技术在级联FBG上

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摘要

The object of this study is to enhance dispersion compensation to maximize transmission bit rate in single mode silica fibers. This is achieved through a proposed model that starts with finding the optimal operating parameters for single mode silica fibers. These optimal operating parameters lead to near zero dispersion due to the nature of chromatic dispersion which mainly consists of material dispersion and waveguide dispersion. The proposed model employs soliton transmission technique, where the propagated pulse suffers the effects of nonlinearity self-phase modulation that shrinks the pulse in opposite effect to the chromatic dispersion. The balancing between chromatic dispersion and nonlinear effects will generate a soliton wave which propagates over a long transmission distance without any change. The proposed model consists of four identical stages cascaded apodized uniform fiber Bragg gratings and a soliton modulator. Different apodization functions are investigated. The maximum transmission bit rate per channel is 1.9932 Gbps of the proposed model with raised cosine apodized fiber Bragg grating and soliton at input signal wavelength=1.70 urn, differential refractive index = 0.001, ambient temperature = 283 K, while at the same conditions the maximum transmission bit rate per channel of soliton only is 0.0452 Gbps.
机译：本研究的目的是增强色散补偿以使单模二氧化硅纤维中的传输比特率最大化。这是通过拟议的模型实现的，该模型从找到单模二氧化硅纤维的最佳操作参数。由于主要由材料分散和波导分散体组成，这些最佳操作参数导致接近零色散。所提出的模型采用孤子传输技术，其中传播的脉冲遭受非线性自相调制的影响，该脉冲对脉冲缩小到色散的相反效果。在色散和非线性效果之间的平衡将产生孤子波，其在长传输距离上传播而没有任何变化。所提出的模型由四个相同的级级联级联均匀的纤维布拉格光栅和孤子调制器组成。研究了不同的缩放功能。每个通道的最大传输比特率为1.9932 Gbps的提出型号，带有升高的余弦旋转光纤布拉格光栅和输入信号波长的孤子= 1.70 URN，差分折射率= 0.001，环境温度= 283 k，而在相同的条件下最大每个孤子的传输比特率仅为0.0452 Gbps。

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