Citation

Abbou, F. M. and Chuah, Hean Teik and Hiew, C. C. and Abid, A. (2008) Comparisons of RZ-OOK and RZ-DPSK in dense OTDM-WDM systems using Q factor models. Journal of Russian Laser Research, 29 (2). pp. 133-141. ISSN 1071-2836

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Abstract

In view of the differential phase Q (DP-Q) and the traditional Q factor, we compared, using numerical simulations, the performances of the RZ-OOK and RZ-DPSK in dense OTDM-WDM systems. When signal pulse widths and optical filter bandwidths are optimized, there is no upper limit to the WDM channel bit rate (BR) in the purely linear back-to-back configuration. Here, RZ-DPSK performed increasingly better than RZ-OOK in a higher spectral density with Q gain increasing from 3 to 5 dB. In the nonlinear point-to-point configuration, a higher BR leads to increased performance penalties for both the RZ-DPSK and RZ-OOK, while the RZ-DPSK still outperforms RZ-OOK by up to 4 dB. The results obtained correlate with conventional results, indicating the potential of the DP-Q as a performance evaluation tool in numerical simulations.

Item Type:	Article
Uncontrolled Keywords:	Optical fibers
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK7800-8360 Electronics > TK8300-8360 Photoelectronic devices (General)
Divisions:	Faculty of Engineering and Technology (FET)
Depositing User:	Ms Suzilawati Abu Samah
Date Deposited:	13 Sep 2011 06:44
Last Modified:	19 Aug 2021 06:44
URII:	http://shdl.mmu.edu.my/id/eprint/2764

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