Asymmetricity of Optical Phase Conjugation in Optical Transmission Links with Dispersion Management 


Vol. 35,  No. 8, pp. 801-809, Aug.  2010


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  Abstract

Limitation of optical phase conjugation for implementation of wideband and long-haul WDM transmission system is symmetric distribution of optical power and local dispersion with respect to optical phase conjugator (OPC). This limitation forces OPC to place at midway of total transmission length. This paper shows that the limitationof optical phase conjugation is overcame by applying optimal net residual dispersion (NRD) into transmission links based in inline dispersion management (DM). Optimal NRD related with OPC positionis decided by combination of precompensation and postcompensation. It is confirmed that optimal NRD depends on launch power of WDM channels and system performance criterion as well as OPC position. That is, in case of 1 ㏈ eye opening penaty (EOP) as a performance criterion for WDM channels with 0 ㏈m launch power, it is confirmed that OPC is allowed to place at anywhere of 1000 ㎞ by applying best NRD related with exact OPC position into transmission links. And, it is confirmed that, under 3 ㏈ EOP criterioin for WDM channels with 3 ㏈m launch power, OPC is allowed to place at 350∼700 ㎞ by applying NRD between 100 ㎰/㎚ and 200 ㎰/㎚ into transmission links, though that NRD value is not best combination of precompensation and postcompensation.

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  Cite this article

[IEEE Style]

S. Lee and H. Yim, "Asymmetricity of Optical Phase Conjugation in Optical Transmission Links with Dispersion Management," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 8, pp. 801-809, 2010. DOI: .

[ACM Style]

Seong-Real Lee and Hwang-Bin Yim. 2010. Asymmetricity of Optical Phase Conjugation in Optical Transmission Links with Dispersion Management. The Journal of Korean Institute of Communications and Information Sciences, 35, 8, (2010), 801-809. DOI: .

[KICS Style]

Seong-Real Lee and Hwang-Bin Yim, "Asymmetricity of Optical Phase Conjugation in Optical Transmission Links with Dispersion Management," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 8, pp. 801-809, 8. 2010.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880