CW Laser Combined with LED to Reduce the FWM in SAC-OCDMA Network
Ibrahim F. Alshammari1, Haider A. Abdulkarim2, Ali Abdulraheem Alwan3
1Ibrahim F. Alshammari, Department of Computer Technique Engineering, Al-essraa University College, Baghdad, Iraq.
2Haider A. Abdulkarim, Department of Computer Techniques Engineering, Al-essraa University College, Baghdad, Iraq.
3Ali Abdulraheem Alwan, Department of Computer Techniques Engineering, Al-essraa University College, Baghdad, Iraq.
Manuscript received on August 18, 2015. | Revised Manuscript received on August 29, 2015. | Manuscript published on September 05, 2015. | PP:31-35 | Volume-5 Issue-4, September 2015 . | Retrieval Number: D2685095415 /2015©BEIESP
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©The Authors. Published By: Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/
Abstract: A new technique based on LED combined with CW lasers in Spectral Amplitude Coding (SAC) Optical Code Division Multiple Access (OCDMA) networks, which allow reduction of the four-wave mixing (FWM) effect. In this paper, SAC-OCDMA networks have been developed and analyzed based on Multi Diagonal (MD) and Zero Cross Correlation (ZCC) codes. We simulate and investigate of three users design and concluded that the FWM can be reducing by using the LED source combined with CW lasers for each user in the code’s design. Our results show that the MD code gives better performance than the ZCC code by using our technique. In other words, the ratio of reducing the FWM power in the MD code is approximately -20 dBm, while in ZCC is -10 dBm.
Keywords: Optical code division multiple access (OCDMA), Spectral amplitude coding (SAC); Multi diagonal (MD);ZeroCross Correlation (ZCC); Four-Wave Mixing (FWM; Light Emitting Diode (LED).