Research Article | OPEN ACCESS
Investigation of Stimulated Brillouin Scattering Effect on Different Modulation Formats
1Majid Moghaddasi, 1Saleh Seyedzadeh, 2Shervin Shokri, 2MazenRadhe Hassan, 2Kaveh Shameli and 1SitiBarirah Ahmad Anas
1Wireless and Photonic Networks Research Center of Excellence (WiPNET), Department of Computer and Communication Systems Engineering, Faculty of Engineering, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
2Department of Electrical, Electronics and Systems, Faculty of Engineering, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
Research Journal of Applied Sciences, Engineering and Technology 2014 4:481-487
Received: February 06, 2014 | Accepted: March 01, 2014 | Published: July 25, 2014
Abstract
In this study, the impact of Stimulated Brillouin Scattering (SBS) and effective core area and the Brillouin gain coefficient on On-Off Key (OOK) and phase modulation formats is investigated. In comparison with OOK formats, Return to Zero-Differential Phase Shift Keying (RZ-DPSK) revealed more robustness against the SBS effect with regards to jitter. The generated jitter due to power increment from 0 to 6 dBm was measured. The results show 0.1232, 0.1054, 0.0683 and 0.0544 bit period jitter for NRZ-OOK, RZ-OOK 0.5, NRZ-DPSK and RZ DPSK respectively. Furthermore, it is shown that SBS effect changes the behavior of system with regards to bit rate variation. It is shown that lower bit rate, does not guarantee higher performance. For instance, while the log BER at 2 Gb/sec is -11 for RZ-OOK 0.5, -9 for CSRZ,-10 for NRZ-DPSK and -16 for RZ-DPSK, at 8 Gb/sec they hit a peak with -16, -20, -21 and -36, respectively.
Keywords:
Jitter , nonlinear effects , on-off key modulation , optical communication , phase modulation , Stimulated Brillouin Scattering (SBS),
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Competing interests
The authors have no competing interests.
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This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
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