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Design and analysis of a dense wavelength-division multiplexed integrated PON-FSO system using modified OOK/DPPM modulation schemes over atmospheric turbulences

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Abstract

This paper reports the designing and numerical analysis of dense wavelength-division multiplexed (DWDM) transmission in an integrated passive optical network (PON)-free-space optics (FSO) system employing modified on–off keying (OOK)/digital-pulse position modulation schemes. The transmission performance has been analyzed under inter-channel crosstalk, noise errors, and weak and strong atmospheric turbulence effects for both modulation schemes. The DWDM system uses eight channels with a wavelength spacing of 0.8 nm, and each channel transmits a data rate of 2.5 Gbps for both the considered modulation formats. The results demonstrate that the DWDM channels are degraded due to inter-channel crosstalk, whereas the FSO transmission is limited as a result of atmospheric turbulence loss. The numerical results show that the proposed modulation scheme better than OOK modulation and exhibits 0.2–3 dB lower power penalty than OOK transmission.

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All data supporting this study's findings are included in the article.

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Authors and Affiliations

  1. Department of Electronics and Communication Engineering, Faculty of Engineering, Mansoura University, Mansoura, 35516, El-Dakahilia Governorate, Egypt

    Ebrahim E. Elsayed

  2. Department of Electronics and Electrical Engineering, Indian Institute of Technology Guwahati, Guwahati, India

    Dhiman Kakati

  3. Department of Electronics and Communication Engineering, University Institute of Engineering, Chandigarh University, Mohali, Punjab, India

    Mehtab Singh

  4. Department of Electronics and Communication Engineering, Shaheed Bhagat Singh State University, Ferozepur, Punjab, India

    Amit Grover

  5. Applied Science Cluster, School of Engineering, University of Petroleum and Energy Studies, Dehradun, 248007, Uttrakhand, India

    Gagan Anand

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  1. Ebrahim E. Elsayed
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  3. Mehtab Singh
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  4. Amit Grover
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  5. Gagan Anand
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Correspondence to Mehtab Singh.

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Elsayed, E.E., Kakati, D., Singh, M. et al. Design and analysis of a dense wavelength-division multiplexed integrated PON-FSO system using modified OOK/DPPM modulation schemes over atmospheric turbulences. Opt Quant Electron 54, 768 (2022). https://doi.org/10.1007/s11082-022-04142-4

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