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Proceedings Paper

Optical pseudorandom signal analysis in spectral phase-encoded OCDMA communication system
Author(s): Chao Zuo; Wenhua Ma; Hongtu Pu; Jintong L. Lin
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Paper Abstract

Performance of asynchronous phase-encoded OCDMA system is evaluated on the condition that receiver noise and the impact of fiber channel are neglected. Phase-encoded optical signal (pseudo random optical signal with low intensity) is analyzed in the view of stationary random process. The pseudo random optical signal with low intensity is seen as a sample function of a certain stationary random process which is ergodic in strict sense. The analysis results reveal that the variance of the corresponding random process is only inversely proportional to the code length while the root-mean-square width of the phase-encoded optical signal is proportional to the width of initial optical pulse and the code length F. The numerical results demonstrate that the better system performance can be achieved in case of larger code length and shorter initial optical pulse.

Paper Details

Date Published: 16 October 2001
PDF: 8 pages
Proc. SPIE 4583, Metro and Access Networks, (16 October 2001); doi: 10.1117/12.445127
Show Author Affiliations
Chao Zuo, Beijing Univ. of Posts and Telecommunications (China)
Wenhua Ma, Beijing Univ. of Posts and Telecommunications (China)
Hongtu Pu, Beijing Univ. of Posts and Telecommunications (China)
Jintong L. Lin, Beijing Univ. of Posts and Telecommunications (China)


Published in SPIE Proceedings Vol. 4583:
Metro and Access Networks
Wanyi Gu; Jianhui Zhou; Jin-Yi Pan, Editor(s)

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