Ultra-High Capacity DWDM System using Different Intensity Modulation Formats
Publish place: majlesi Journal of Electrical Engineering، Vol: 12، Issue: 1
Publish Year: 1397
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_MJEE-12-1_012
تاریخ نمایه سازی: 25 بهمن 1401
Abstract:
Dense Wavelength Division Multiplexing (DWDM) communication system is an all optical network technology that transmit information by sending light pulse through a single mode fiber. Proposed technology can increase the capacity and bandwidth of optical network. DWDM system consists of different passive and active components such as transponders, fibers, passive optical filters, and an optical amplifier. In this paper an ultra-high capacity ۶۴-channel DWDM system with intensity modulations such as two methods of duo-binary modulation at different bit rates of ۱۰, ۲۰ and ۴۰ Gbps for a coverage distance of ۱۵۰۰ km and more is designed and simulated. Also, the transmission parameters of proposed system is optimized to achieve the Max quality factor. Results shows for proposed system with ultra-high capacity, the first method of duo-binary modulation has good performance than other modulations such as second duo-binary method and conventional modulation formats that used in optical network. The performance of the presented system is evaluated in the final arrangement by means of Bit Error Rate (BER) and Optical Signal-to-Noise Ratio (OSNR) measurements.
Keywords:
Dense wavelength division multiplexing (DWDM) , duo-binary modulation , single mode fiber , bit error rate (BER)
Authors
Abbas Alipoor
Department of Electrical Engineering, Lorestan University, Khorram-Abad, Iran
Ali Mir
Department of Electrical Engineering, Lorestan University, Khorram-Abad, Iran
Akram Sheikhi
Department of Electrical Engineering, Lorestan University, Khorram-Abad, Iran
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