한국항행학회논문지 (Journal of Advanced Navigation Technology)

  • 제20권2호
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  • Pages.161-166
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  • 2016
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  • 1226-9026(pISSN)
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  • 2288-842X(eISSN)
한국항행학회 (The Korean Navigation Institute)
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SMF 길이와 중계 구간 당 잉여 분산의 분포가 균일한 분산 제어 광전송 링크

Dispersion-managed Optical Links with the Uniform Distributions of SMF Lengths and Residual Dispersion Per Span

  • 이성렬 (목포해양대학교 해양정보통신공학과)
  • Lee, Seong-Real (Department of Marine Information and Communication Engineering, Mokpo National Maritime University)
  • 투고 : 2016.03.10
  • 심사 : 2016.04.05
  • 발행 : 2016.04.30
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초록

대용량 장거리 광통신 시스템에서 광섬유가 갖는 색 분산과 비선형 효과 때문에 신호 왜곡이 발생한다. MSSI (mid-span spectral inversion)와 결합된 분산 제어 (DM; dispersion management) 기술은 이러한 단점을 극복할 수 있는 기술 중 하나이다. DM 링크의 가장 간단한 구조는 전송 링크를 구성하는 모든 광 중계 구간의 단일 모드 광섬유 (SMF; single mode fiber) 길이와 중계 구간 당 잉여분산 (RDPS; residual dispersion per span)을 모두 균일하게 분포시키는 것이다. 본 논문에서는 SMF 길이와 RDPS를 인위적으로 분포시키거나 랜덤하게 분포시킨 링크 구조에서의 성능 평가 시 중요한 기준이 되는 MSSI와 결합된 균일 분포 DM 링크에서의 시스템 성능을 중계 구간 수에 따라 분석하였다.

In high capacity and long haul optical communication systems, signal distortion is induced by chromatic dispersion and nonlinear effects of optical fibers. Dispersion management (DM) combining with mid-spans spectral inversion (MSSI) is one of the various techniques for overcoming this drawback. The most simple configuration of DM link is obtained by uniformly distributing the lengths of single mode fiber (SMF) and residual dispersion per span (RDPS) over whole fiber spans consisted of optical link. In this paper, the system performances in the uniformly distributed DM link combined with MSSI are assessed as a function of the number of fiber spans, because the system performances in this configuration are used as the significant performance criterion in other link configurations, such as the artificial distribution or the random distribution of SMF lengths and RDPS.

키워드

참고문헌

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