Concatenated Error Control Coding Applied to WDM Optical Communication Systems for Performance Enhancement

H. S. Mruthyunjaya*, G. Umesh, M. Sathish Kumar

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Long haul incoherent optical multichannel communication systems employing N * N Wavelength Division Multiplexing (WDM) in presence of Stimulated Raman Scattering (SRS) and other receiver noises including channel and Amplified Spontaneous Emission (ASE) beat noises is analyzed. Concatenated error control coding techniques are employed to counter system degradation due to these limiting factors. It is shown that the Bit Error Rate (BER) of the order of 10-9 can be achieved for large values of N (=270) at link length of 200km without crossing SRS threshold of 1dB. Also power penalty due to multiplexer crosstalk effectively comes down from 5.5dB to 0.14dB for a 64 channel WDM system.

Original languageEnglish
Pages (from-to)73-79
Number of pages7
JournalInternational Journal of Microwave and Optical Technology
Volume2
Issue number1
Publication statusPublished - 01-2007

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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