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Design of a novel multiplexer/demultiplexer based on polarization beam splitters/combiners and a polarization converter

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Abstract

In this paper, a theoretical design of a novel 2 × 1 polarization-discriminating multiplexer based on a polarization beam combiner (PBC), two polarization beam splitters (PBS) and a TE/TM polarization converter is presented and discussed. The architecture of this design is based on polarization components. The PBS is used at the input to suppress undesired polarizations, while the PBC is inserted at the output to multiplex two orthogonal linearly polarized signals. The TE/TM converter is inserted between the PBS and the PBC to switch between two orthogonal modes in order to facilitate the multiplexing function. The demultiplexing operation is done in a separate block via a PBS only. The average theoretical insertion loss of the proposed multiplexer is 1.2 dB, while the PBS acting as a demultiplexer presented a very high polarization extinction ratio.

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Acknowledgements

This work is funded by Direction Générale de la Recherche Scientifique et du Développement Technologique (DGRSDT Algeria), under the project title “Conception and Realization of a 2 × 1 Multiplexer/Demultiplexer and a 1 × 2 Optical Switch based on Polarization Beam Splitters/Combiners and Converters” and the project number: 23/Univ-Tlemcen/DGRSDT.

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  1. Laboratory of Telecommunications, Faculty of Technology, Tlemcen, Algeria

    Fethallah Karim

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  1. Fethallah Karim
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Correspondence to Fethallah Karim.

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Karim, F. Design of a novel multiplexer/demultiplexer based on polarization beam splitters/combiners and a polarization converter. J Opt 49, 433–437 (2020). https://doi.org/10.1007/s12596-020-00651-1

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  • DOI: https://doi.org/10.1007/s12596-020-00651-1

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