Journal of Advanced Navigation Technology (한국항행학회논문지)

The Korean Navigation Institute (한국항행학회)
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Compensation Characteristics of WDM Signals Depending on RDPS Slope of Fiber Span in Dispersion Managed Optical Transmission Links

분산 제어 광전송 링크에서 중계 구간의 RDPS 기울기에 따른 WDM 신호의 보상 특성

  • Lee, Seong-Real (Dept. of Marine Inform. & Comm. Eng., Mokpo National Maritime University)
  • 이성렬 (목포해양대학교 해양정보통신공학과)
  • Received : 2013.03.19
  • Accepted : 2013.04.30
  • Published : 2013.04.30
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Abstract

The optimal residual dispersion per span (RDPS) slope is induced through the analyses of the compensation characteristics of the wavelength division multiplexed (WDM) channels depending on RDPS slope in the optical links with a dispersion management (DM) and an optical phase conjugation. The simulation results show that the effective launch power of WDM is more increased and the performance difference between the channels is more decreased as RDPS slope is more increased. The simulation results also show that the effective net residual dispersion (NRD) range is more increased as RDPS slope is more increased, and consequently, it is more advantageous to use the large RDPS slope for implementing the flexible optical links.

분산 제어 (DM; dispersion management)와 광 위상 공액 (optical phase conjugation)이 적용된 광전송 링크에서 중계 구간 당 잉여 분산 (RDPS; residual dispersion per span) 기울기 (slope)에 따른 파장 분할 다중 전송 (WDM; wavelength division multiplexed) 채널의 보상 특성을 분석하여 최적의 RDPS 기울기를 도출하였다. RDPS 기울기가 증가할수록 WDM 채널의 유효 입사 전력 범위를 더욱 증가시키고 채널 간 성능 차이를 더욱 감소시키는 것을 확인하였다. 아울러 RDPS 기울기가 증가할수록 유효 전체 잉여 분산 (NRD; net residual dispersion) 범위도 증가하여 큰 RDPS 기울기가 유연한 광전송 링크 구성에 더욱 유리하다는 것을 확인하였다.

Keywords

References

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