Improvement of differential modal gain in few-mode fibre amplifier by employing ring-core erbium-doped fibre

Ono, H ; Hosokawa, T ; Ichii, K ; Matsuo, S ; Yamada, M

Electronics letters, 2015-01, Vol.51 (2), p.172-173 [Periódico revisado por pares]

The Institution of Engineering and Technology

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