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The convergence of optical and wireless technologies is pivotal for enhancing digital communication systems and is foundational to future millimeter-wave networks. While electronic RF generation systems are well-established, optical methods are gaining traction due to their simplicity, scalability, and compatibility with existing silicon technology. Among these, optical heterodyning stands out as an efficient approach for generating millimeter waves, leveraging commercially available components and streamlined architectures. However, this method is hindered by the phase noise inherited from laser sources, which can impair signal quality. This paper explores a millimeter-wave transmitter model based on an Optical Phase-Locked Loop (OPLL), designed to mitigate phase noise and support high-data-rate, cost-efficient applications in next-generation networks. Using OptiSystem software, the open-loop transfer function and characteristics of the resulting RF millimeter-wave signals are evaluated. The transmitter achieves millimeter-wave frequency generation by leveraging the frequency difference between two laser sources. The insights presented underline the potential of OPLL architectures in bridging optical and wireless technologies for emerging 5G and 6G networks.

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Millimeter Wave Transmitter Model Based on an Optical Phase-Locked Loop (OPLL) for High Bit Rate and Low Cost in Next Generation Networks

  • 会议论文

  • 发表日期：

    2026年

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  • Wilfried Albert Duniwangda Kiélem,
  • Mamadou Diallo Diouf,
  • Moumouni Sawadogo

摘要

The convergence of optical and wireless technologies is pivotal for enhancing digital communication systems and is foundational to future millimeter-wave networks. While electronic RF generation systems are well-established, optical methods are gaining traction due to their simplicity, scalability, and compatibility with existing silicon technology. Among these, optical heterodyning stands out as an efficient approach for generating millimeter waves, leveraging commercially available components and streamlined architectures. However, this method is hindered by the phase noise inherited from laser sources, which can impair signal quality. This paper explores a millimeter-wave transmitter model based on an Optical Phase-Locked Loop (OPLL), designed to mitigate phase noise and support high-data-rate, cost-efficient applications in next-generation networks. Using OptiSystem software, the open-loop transfer function and characteristics of the resulting RF millimeter-wave signals are evaluated. The transmitter achieves millimeter-wave frequency generation by leveraging the frequency difference between two laser sources. The insights presented underline the potential of OPLL architectures in bridging optical and wireless technologies for emerging 5G and 6G networks.