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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 27, Iss. 17 — Sep. 1, 2009
  • pp: 3896–3903

Analysis of Scalability and Performance in Passive Optical CDMA Networks

M. Massoud Karbassian and Hooshang Ghafouri-Shiraz

Journal of Lightwave Technology, Vol. 27, Issue 17, pp. 3896-3903 (2009)


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Abstract

This paper proposes a novel architecture for coherent optical code-division multiple-access passive optical networks (OCDMA-PON). As optical spreading sequences, a recently introduced prime code family hereby referred to as double-padded modified prime code (DPMPC) has been employed and analyzed. The transceivers operate under homodyne dual-balanced detection scheme. For coherent modulation, binary phase-shift keying is employed where the phase is modulated by Mach–Zehnder external phase-modulator. The proposed architecture for optical network units and line terminals are also presented and analyzed. The network scalability of fiber link distances as well as bit-error rate, considering 1) fiber link noise e.g., amplifier spontaneous emission noise; 2) thermal noise; 3) photo-detectors' shot-noise; 4) relative intensity noise; and 5) mainly multiple-access interference, have been investigated. The results have indicated that this architecture can improve the network scalability, capacity and transmission performance, leading to the promising scheme for optical transport networks.

© 2009 IEEE

Citation
M. Massoud Karbassian and Hooshang Ghafouri-Shiraz, "Analysis of Scalability and Performance in Passive Optical CDMA Networks," J. Lightwave Technol. 27, 3896-3903 (2009)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-27-17-3896

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