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Optimized DPMZM Based RoF Link Against Fiber Impairments

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Abstract

The demands of emerging wireless communication are higher bandwidth, low latency, high-quality multimedia applications, less environmental impact etc., with cost-effective network implementation. The Radio over Fiber (RoF) link will be the best substitute, and this paper presents an analytical and simulation of the dual parallel DE-MZMs based RoF link while considering of different optical fiber distances. The utility of dual parallel DE-MZMs in RoF link provides the significant enhancement in dynamic range of link in microwave photonic link. Further, it is found that the IM3 terms are approximate eliminated or 40.9 dB much lower w.r.t. fundamental signals for 1 km optical fiber length by the proposed DPMZM based RoF link. The analytical analysis is verified by simulation using OptSIM (Optical Simulator) software. Finally, the comparative analysis of the proposed DPMZM based RoF link with the conventional link confirms the optimization against third order intermodulation and fiber impairments. This optimization of the proposed link will be helpful for microwave photonic links without any digital processing.

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All the data has been included in the manuscript and there is no other data & material related with this paper.

Code Availability

The simulation Model has been defined in the paper as per OptSIM and MATLAB Software and there is no other code available regarding this paper.

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Authors and Affiliations

  1. KIET Group of Institutions, Delhi-NCR, Ghaziabad, U.P., 201206, India

    Parvin Kumar, Amik Garg, Sanjay Kumar Sharma, Varun Gupta & Abhishek Sharma

  2. Greater Noida Institute of Technology, Greater Noida, U.P., 201310, India

    Shelly Singla

Authors
  1. Parvin Kumar
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  2. Amik Garg
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  3. Sanjay Kumar Sharma
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  4. Shelly Singla
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  5. Varun Gupta
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  6. Abhishek Sharma
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Contributions

In this paper, DPMZM based RoF link is analysed and demonstrated which results a method to provide optimized suppression of IM3 by employing simple electrical phase shifters with optimized bias voltages of dual electrode machzehender modulators while considerations of different optical fiber distance. A novel work as both DE-MZMs are operated in quadrature biasing instead of null and quadrature biasing that has the advantages of uniformity over investigated linearization scheme of DPMZM. The performance analysis and simulation of DPMZM based RoF link against different optical fiber distance is important outcomes of this paper. In view of optimization consideration, it is found that the IM3 signals are approximate completely eliminated or 40.9 dB much lower w.r.t. fundamental signals for 1 km optical fiber length by the proposed DPMZM based RoF link. The comparative analysis of proposed DPMZM based RoF link with conventional MZM based RoF link confirms the optimization against third order intermodulation and fiber impairments.

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Correspondence to Parvin Kumar.

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Kumar, P., Garg, A., Sharma, S.K. et al. Optimized DPMZM Based RoF Link Against Fiber Impairments. Wireless Pers Commun 128, 1859–1871 (2023). https://doi.org/10.1007/s11277-022-10023-6

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