Phase and Polarization Diversity for Minimum MAI in OCDMA Networks
Cooper, A.B.; Khurgin, J.B.; Shuangmei Xu; Kang, J.U.
Selected Topics in Quantum Electronics, IEEE Journal of
Volume 13, Issue 5, Sept.-oct. 2007 Page(s):1386 - 1395
Digital Object Identifier   10.1109/JSTQE.2007.903873
Summary:A novel coherent optical code-division multiple-access (OCDMA) network based on spectral phase coding and on phase and polarization diversity balanced reception is proposed. A rigorous model of the network is developed, which shows that spectral efficiencies of 1 bps/Hz and beyond can be achieved by minimizing multiple-access interference (MAI) and by canceling beat noise. While the system achieves full capacity under bit synchronism, it also offers competitive performance at up to 25% of full capacity, even when completely asynchronous. Tree and ring network configurations assure synchronization, making the proposed system robust in the presence of dispersion and phase noise.

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