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http://dx.doi.org/10.3807/JOSK.2013.17.6.471

Enhancing the Performance of Coherent Sources SAC OCDMA Networks via Spatial Multiplexing  

Alhassan, Ahmed M. (Depatrment of Electrical and Electronics Engineering, Universiti Teknologi PETRONAS (UTP))
Badruddin, Nasreen (Depatrment of Electrical and Electronics Engineering, Universiti Teknologi PETRONAS (UTP))
Saad, Naufal M. (Depatrment of Electrical and Electronics Engineering, Universiti Teknologi PETRONAS (UTP))
Aljunid, Syed A. (School of Computer and Communication Engineering, Universiti Malaysia Perlis (UniMAP))
Publication Information
Journal of the Optical Society of Korea / v.17, no.6, 2013 , pp. 471-480 More about this Journal
Abstract
The beating of two or more lasers that have the same or a finite difference in the central frequencies, is the main source of noise in spectral amplitude coding optical code division multiple access (SAC OCDMA) systems. In this paper we adopt a spatial multiplexing (SM) scheme for SAC OCDMA systems to mitigate this beat noise. The results show that for different code weights and different data rates SM SAC can support a larger number of users than the conventional SAC for all different laser source configurations. However, SM SAC requires a more complex system than the conventional SAC, and almost twice as much optical component.
Keywords
Optical code division multiple access (OCDMA); Spectral amplitude coding (SAC) OCDMA; Spatial multiplexing; Coherent sources;
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Times Cited By KSCI : 2  (Citation Analysis)
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