Design of 100Gbps four-channel WDM communication link with Dual-Polarization transmission technology and Coherence receiver in the presence of EDFA optical amplifier

Document Type : Original Article

Authors

1 Instructor, Imam Hossein (AS) Officer and Guards Training University, Tehran, Iran

2 Assistant Professor, Imam Hossein University, Tehran, Iran

Abstract

One of the multiplexing methods used in optical telecommunication systems that increases the data transmission rate is Wavelength Division Multiplexing (WDM). In this technology, the information produced by several separate transmitters can be sent simultaneously in the optical fiber and then the information is separated in the receiver. The use of WDM technology and erbium doped fiber amplifier (EDFA) has led to the dramatic growth of optical telecommunication systems, especially direct intensity modulation / detection (IM \ DD) systems. Today, in order to increase the data transfer rate, the use of coherent detection methods is considered.In this paper, the main purpose is to increase the data rate in optical telecommunication systems using WDM technology and increase the communication distance using EDFA. Therefore, we design and simulate an optical telecommunication system that in each WDM channel, the data transmission rate will be equal to 100 Gbps. To achieve the specified data rate, we also use Dual Polarization transmission, linear effect reduction (CD) and nonlinear (SPM) methods, coherent detection systems and signal processing methods. The simulation results in this paper showed that all the effective components considered in the design, achieved the desired quality factor with a communication distance of 80 km. Proper use of EDFA also improves the transmission link length by at least 100%.

Keywords

References

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History

  • Receive Date: 12 September 2019
  • Revise Date: 12 January 2021
  • Accept Date: 31 January 2021

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