Phase and Polarization Diversity for Minimum MAI in OCDMA Networks
Cooper, A.B.
Khurgin, J.B.
Shuangmei Xu
Kang, J.U.
Johns Hopkins Univ., Baltimore;
This paper appears in: Selected Topics in Quantum Electronics, IEEE Journal of
Publication Date: Sept.-oct. 2007
Volume: 13,
Issue: 5, Part 2
On page(s): 1386-1395
Location: Haifa, Israel,
ISSN: 1077-260X
INSPEC Accession Number: 9630323
Digital Object Identifier: 10.1109/JSTQE.2007.903873
Current Version Published: 2007-10-15
Abstract
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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