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Compensation Characteristics or Distorted WDM Channel dependence on Variation of Fiber Dispersion  

Lee, Seong-Real (Div. of Marine Electro. ＆ Comm. Eng., Mokpo National Maritime University)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.29, no.7A, 2004 , pp. 719-726 More about this Journal
Abstract
In this paper, compensation characteristics of distorted WDM channel due to both chromatic dispersion and self phase modulation (SPM) is numerically investigated under the assumptions of non-uniformly distributed fiber dispersion, in order to inspect the application of mid-span spectral inversion (MSSI) to any exact transmission links. The MSSI is compensation method used in this approach. This method has an optical phase conjugator (OPC) placed in mid-way of total transmission length to compensate distorted WDM channels. It is confirmed that MSSI will become applicable to long-haul WDM systems by controlling input light power of transmission channels, when the averaged dispersion of both fiber sections with respect OPC was varied and distributed unequally each other. Applying MSSI to long-haul WDM system, it is possible to remove all in-line compensator, consequently it will be expected to reducing system cost.
Keywords
Dispersion variation; MSSI; OPC; WDM channel distortion; SPM; Chromatic dispersion;
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