Performance analysis of incoherent multi-wavelength OCDMA systems under the impact of four-wave mixing | Zendy

Ngoc T. Dang | Zendy; Anh T. Pham | Zendy

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Performance analysis of incoherent multi-wavelength OCDMA systems under the impact of four-wave mixing

Author(s) -

Ngoc T. Dang,

Anh T. Pham

Publication year - 2010

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.18.009922

Subject(s) - four wave mixing , interference (communication) , optics , mixing (physics) , wavelength , computer science , power (physics) , dispersion (optics) , bit error rate , code division multiple access , physics , noise (video) , telecommunications , electronic engineering , nonlinear optics , laser , engineering , decoding methods , channel (broadcasting) , quantum mechanics , artificial intelligence , image (mathematics)

In this paper, we comprehensively analyze the impact of four wave mixing (FWM) on the performance of incoherent multi-wavelength optical code-division multiple-access (MW-OCDMA) systems. We also consider many other interferences and noises, including multiple access interference, optical beating interference, and receiver noise, in the analysis. From the numerical results, we can find the power ranges of different MW-OCDMA systems, in which the impact of FWM is dominant and consequently results in an increase in the bit-error rate of the systems. We also find that the impact of FWM becomes more severe when the frequency spacing is small and/or dispersion-shifted fiber is used. In addition, we quantitatively discuss the impact of FWM on the number of supportable users and power penalty in the MW-OCDMA systems.

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