Performance analysis of 2-D time-wavelength OCDMA systems with coherent light sources: code design considerations

The performance of two-dimensional (2-D) time-wavelength (TW) optical code-division multiple access systems at both physical and data link layers is considered in the presence of a multitude of noise sources. Particular consideration is given however to both beat noise (BN) and multiple-access-inter...

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Bibliographic Details
Published in:Journal of lightwave technology 2006-10, Vol.24 (10), p.3583-3589
Main Authors: Bazan, T.M., Harle, D., Andonovic, I.
Format: Article
Language:English
Subjects:
Applied sciences
Beat noise (BN)
Boron nitride
Coding, codes
Coherent light
Data links
Design engineering
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Information, signal and communications theory
Light sources
Mathematical analysis
Multiaccess communication
Multiple access
Multiple access interference
Noise
optical code-division multiple access (OCDMA)
optical codes
Optical crosstalk
Optical design
Optical mixing
Optical noise
Optical receivers
Optical sources and standards
Optical telecommunications
Optics
Performance analysis
Photodetectors
Physics
Signal and communications theory
Strategy
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
time wavelength (TW)
Transmission and modulation (techniques and equipments)
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Summary:The performance of two-dimensional (2-D) time-wavelength (TW) optical code-division multiple access systems at both physical and data link layers is considered in the presence of a multitude of noise sources. Particular consideration is given however to both beat noise (BN) and multiple-access-interference effects. A general procedure for calculating BN is presented. Comparisons between several 2-D TW codes comprising single-pulse-per-column/row and multiple-pulse-per-column/row strategies are performed. Results reveal that BN is strongly dependent on the code properties and the distribution of wavelengths within a code. Several aspects for 2-D TW code design are presented that mitigate the effect of BN
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2006.881479