Performance comparison of wavelength shift keying WDM system and conventional on-off WDM system in presence of four-wave mixing |
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| Authors: | Mohammad Faisal Mohammed Nazrul Islam Satya Prasad Majumder |
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| Institution: | aDepartment of Electrical and Electronic Engineering, Bangladesh University of Engineering and Technology, Dhaka-1000, Bangladesh |
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| Abstract: | Performance of wavelength shift keying (WSK) wavelength division multiplexed (WDM) system is analyzed and compared to that of conventional on-off keying (OOK) WDM system in respect of four-wave mixing (FWM) effect. WSK technique employs symmetric wavelength assignment and balanced detection to cancel FWM interference to first order. WSK–WDM outperforms conventional OOK–WDM at all signal levels and permits higher allowable input power, lower power penalty and higher transmission distance for a given bit-error rate of 10−9. WSK–WDM is also found to be noise resistant. |
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| Keywords: | Bit error rate Dispersion-shifted fiber Four-wave mixing Wavelength division multiplexing Wavelength shift keying |
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