| Issue |
J. Eur. Opt. Soc.-Rapid Publ.
Volume 8, 2013
|
|
|---|---|---|
| Article Number | 13022 | |
| Number of page(s) | 5 | |
| DOI | https://doi.org/10.2971/jeos.2013.13022 | |
| Published online | 14 March 2013 | |
Regular papers
Reducing BER of spectral-amplitude coding optical code-division multiple-access systems by single photodiode detection technique
1
School of Computer and Communication Engineering, University Malaysia Perlis (UniMAP), Perlis, Malaysia
2
Internetworks Research Group, School of Computing, University Utara Malaysia (UUM), Kedah, Malaysia
* eng.hamza.alkhafaji@gmail.com
Received:
29
October
2012
In this paper, we present a single photodiode detection (SPD) technique for spectral-amplitude coding optical code-division multiple-access (SAC-OCDMA) systems. The proposed technique eliminates both phase-induced intensity noise (PIIN) and multiple-access interference (MAI) in the optical domain. Analytical results show that for 35 simultaneous users transmitting at data rate of 622 Mbps, the bit-error rate (BER) = 1.4×10−28 for SPD technique is much better compared to 9.3×10−6 and 9.6×10−3 for the modified-ANDa as well as the ANDa detection techniques, respectively. Moreover, we verified the improved performance afforded by the proposed technique using data transmission simulations.
Key words: Optical code-division multiple-access / spectral-amplitude coding / single photodiode detection technique / multiple-access interference / phase-induced intensity noise
© The Author(s) 2013. All rights reserved.
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