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FWM Reduction Using Different Modulation Techniques and Optical Filters in DWDM Optical Communication Systems: A Comparative Study

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Iranian Journal of Science and Technology, Transactions of Electrical Engineering Aims and scope Submit manuscript

Abstract

Next-generation optical communication networks require high input power and more number of channels at low spacing. This can be achieved using dense wavelength division multiplexing (DWDM). However, increasing the number of channels and decreasing channel spacing can enhance fiber nonlinearities, especially the four-wave mixing (FWM). In this paper, different modulation techniques and optical filters are considered and investigated to reduce the FWM effect in DWDM optical communication systems. System performance is evaluated through its quality factor (Q-factor), optical signal-to-noise ratio, optical received power and FWM efficiency. All used techniques have shown a reduction in FWM efficiency. The highest reduction in FWM efficiency is 25 dB and is reported while using modified Duobinary modulation with an increase of 2 in the Q-factor. A comparative study is carried out for the different techniques at 10–20 Gbps bit rate. All simulations are performed through Optisystem.

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Authors and Affiliations

  1. University of Engineering and Technology, Lahore, Pakistan

    Habib Ullah Manzoor

  2. Energy Research Center, COMSATS University Islamabad, Lahore Campus, Lahore, Pakistan

    Tareq Manzoor

  3. HITEC University, Taxila Cnatt, Pakistan

    Ashiq Hussain

  4. College of Engineering and Technology, Arab Academy for Science, Technology and Maritime Transport, Alexandria, Egypt

    Moustafa H. Aly

  5. Information Technology University, Lahore, Pakistan

    Sanaullah Manzoor

Authors
  1. Habib Ullah Manzoor
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  2. Tareq Manzoor
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  3. Ashiq Hussain
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  4. Moustafa H. Aly
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  5. Sanaullah Manzoor
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Corresponding author

Correspondence to Moustafa H. Aly.

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Manzoor, H.U., Manzoor, T., Hussain, A. et al. FWM Reduction Using Different Modulation Techniques and Optical Filters in DWDM Optical Communication Systems: A Comparative Study. Iran J Sci Technol Trans Electr Eng 43, 479–488 (2019). https://doi.org/10.1007/s40998-019-00189-4

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  • DOI: https://doi.org/10.1007/s40998-019-00189-4

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