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Optical pulse-shaping within fibers of optical network, exploits non-linear refractive index effects arising above soliton power level
Optical pulse-shaping within fibers of optical network, exploits non-linear refractive index effects arising above soliton power level
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机译：光网络光纤内的光脉冲整形利用孤子功率水平以上产生的非线性折射率效应
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摘要
Pulses (I1-In) of an RZ signal (1) to be re-shaped, having similar mean power, are coupled out of the transmission path. They are amplified (2) to a mean pulse power exceeding the soliton power. This power level causes width compression as a result of non-linear effects, in certain optical fibers. The amplified pulses are then passed through an optical fiber path (3) having positive dispersion and a defined length, until they have all been compressed to the same pulse width and amplitude. They therefore have almost identical pulse shape. They are passed through an attenuation section (4), reducing them to normal transmission power levels. They are coupled back into the transmission path as a regenerated output signal (5). An Independent claim is included for corresponding optical pulse-shaping equipment.
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