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Conferences > ECEOC > 2022 > Th2A > Th2A.7
  • European Conference on Optical Communication (ECOC) 2022
  • Technical Digest Series (Optica Publishing Group, 2022),
  • paper Th2A.7

Core-to-Cladding Ratio-Optimized L-Band Coupled 12-Core Fibre Amplifier with the Highest Power Conversion Efficiency

Taiji Sakamoto, Ryota Imada, Shinichi Aozasa, and Kazuhide Nakajima

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Abstract

We reveal that the core-to-cladding ratio (Rcc) dependence on the power conversion efficiency (PCE) in cladding-pumped multi-core fibre (MCF) amplifiers differs depending on the operating bandwidth. We obtain the highest PCE from the reported cladding-pumped L-band coupled-MCF amplifiers, 5%, with a fabricated Rcc-optimized 12-core amplifier.

© 2022 The Author(s)

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