Wet plant technologies for transmission and connectivity

Managed by

Alexei Pilipetskii, Subcom & Masaaki Hirano, Sumitomo Electric


In this section, we delve into the cutting-edge innovations within Wet Plant Technologies. From cable system design to enhanced optical fibres and state-of-the-art components, our focus is on technology solutions that not only address current network capacity needs but also anticipate future requirements.


“We are honored to co-chair and organize the ‘Wet Plant Technologies for Transmission and Connectivity’ Section. Wet plant technologies serve as the bedrock of the subsea cable industry. Our mission is unequivocal: to identify technology solutions that not only meet but surpass future network capacity and flexibility requirements. Each technological innovation stands as a testament to the Subsea industry’s unwavering commitment to pioneering advancements, ensuring a connected world that thrives on innovation”

Subjects that can be addressed include, but are not limited to:

  • Submarine Cable: high fibre count cable, power efficiency improvements, high voltage tolerant cable, new materials for cable and conductor, armoring improvements
  • Submarine Fibre: ultra-low loss fibre, fibre design optimization, smaller diameter fibre, multi-core fibre, hollow-core fibre, measurement method
  • Repeater: power efficiency improvement, high fibre count repeater, repeater for multicore fibre cable, repeater for multi-band transmission, high density housing
  • Submarine Connectivity: Topologies for SDM connectivity, cable interconnections, dry vs wet ROADM, protection architectures
  • Wet-plant design: Cost/bit optimization, SDM solution/ecosystem, Multicore fibre solutions for submarine networks
  • Optical Components: EDFA technologies (power efficient/multi-core/broader bandwidth), gain flattening filters, WSS ROADMs, fibre switch functionalities, multifunctional and multicore components, fan-in/fan-out devices, fusion splicers
  • Electrical components: Switching BUs, reconfigurable powering, high-voltage electronics
  • Wet plant monitoring and telemetry: Repeater monitoring, cable monitoring, COTDR
  • Technologies for un-repeatered application: Long-haul transmission, high-capacity transmission, ultra-high count cable, Raman amplification, ROPA