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Deepika Shetty
Independent Researcher
India
Abstract
This manuscript reviews bandwidth optimization techniques in optical fiber communication systems as known up to 2014. We examine modulation formats, wavelength-division multiplexing, advanced coding schemes, and optical signal processing methods that maximize spectral efficiency and mitigate impairments. A concise literature review highlights key developments to 2014. Statistical analysis of aggregate system capacity improvements is presented in a single table. Methodological approaches for performance evaluation are described, followed by experimental and simulation results. Identified research gaps point to areas requiring further investigation. Conclusions summarize state-of-the-art techniques available by 2014 and propose directions for future work.
Keywords
optical fiber communication, spectral efficiency, WDM, modulation formats, capacity optimization, impairments mitigation, coding schemes, signal processing
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