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A 100 Gbps integrated fiber-FSO data transmission system based on WDM techniques employing optical frequency comb lines

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Abstract

In this paper, we have proposed and demonstrated a 100 Gbps data transmission system over hybrid single mode fiber (SMF)-free space optics (FSO) link using optical comb lines in wavelength-division-multiplexing technique. A continuous wave laser, two dual drive Mach-Zehnder modulators and four electrical attenuators are employed to generate optical frequency comb lines (OFCL). The OFCL generator generates 52 comb lines by optimizing biasing voltages. The OFCL lines with a side mode suppression ratio of ∼ 50dB and flatness ∼∼ 0.01dB are generated and used as an optical carrier in the proposed system. The performance of the system is investigated in different weather conditions, such as clear weather, hazy weather, heavy rain, light fog, moderate fog, and heavy fog.

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Data availability

The data that support the findings of this study are available from the corresponding author upon reasonable request.

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Acknowledgements

The authors would like to acknowledge SERB, Govt. of India, CRG/2019/006580, and DST Govt. of India, SR/FST/PS-1/2020/159 for financial support to carry out the research work and Sidho-Kanho-Birsha University, Purulia, India for the infrastructural facility.

Funding

SERB, Govt. of India, CRG/2019/006580 and DST FIST (SR/FST/PS-I/2020/159), Govt. of India.

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All authors have contributed to the design of the proposed configuration. Rinki Atta performs the whole simulation work and prepares the manuscript. Aloke Kumar Pathak, Amlan Das, Nilanjana Sarkar, and Bubai Dutta analysed the result. Dr. Ardhendu Sekhar Patra (corresponding author) investigates and supervised the findings of this work and contributes to the writing and editing of the manuscript.

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Correspondence to Ardhendu Sekhar Patra.

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Atta, R., Pathak, A.K., Das, A. et al. A 100 Gbps integrated fiber-FSO data transmission system based on WDM techniques employing optical frequency comb lines. Opt Quant Electron 56, 946 (2024). https://doi.org/10.1007/s11082-024-06932-4

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