Modeling and analysis of deep-sea optical fiber cables for global data traffic
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Sourav Choudhary
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Manoj Kumar Shukla
Abstract
This research paper thoroughly studies modeling, simulation, and performance analysis of underwater optical fiber communication systems, with specific emphasis on submarine cable systems, which form the infrastructural backbone of the internet in the modern world. The study comprehensively covers the multilayered nature of deep-sea optical fiber cables and the engineering practices utilized to protect such systems from the dynamic and extreme nature of the seafloor. To simulate the performance of such complex systems, the paper utilizes OptiSystem, a high-end photonic and fiber-optic communication system design simulation software. Simulations are designed to mimic the nature of deployment in deep waters, testing important parameters like Bit Error Rate (BER), optical power loss, signal-to-noise ratio (SNR), and pulse broadening due to dispersion. The study simulates various scenarios, such as uncompensated and amplified transmission, to mimic real-world degrading and recovery processes. Emphasis is particularly given to signal integrity over distance, i.e., how loss and dispersion are prevented using Erbium-Doped Fiber Amplifiers (EDFAs), Raman amplifiers, and Dispersion Compensation Modules (DCMs). Their locations, spacings, and gains are determined for best quality transmission and economic viability. Wavelength Division Multiplexing (WDM) is also investigated as a technique for bandwidth multiplication with little interference and crosstalk.
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Research ethics: Not applicable.
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Informed consent: Not applicable.
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Author contributions: All authors have accepted responsibility for the entire content of this manuscript and approved its submission.
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Use of Large LanguageModels, AI and Machine Learning Tools: None declared.
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Conflict of interest: The authors state no conflict of interest.
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Research funding: None declared.
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Data availability: Not applicable.
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