Review of space-division multiplexing technologies in optical communications

Y Awaji - IEICE Transactions on communications, 2019 - search.ieice.org
The potential transmission capacity of a standard single-mode fiber peaks at around
100Tb/s owing to fiber nonlinearity and the bandwidth limitation of amplifiers. As the last …

Optical orbital angular momentum amplifier based on an air-hole erbium-doped fiber

Y Jung, Q Kang, R Sidharthan, D Ho, S Yoo… - Journal of lightwave …, 2017 - opg.optica.org
We present for the first time broadband operation of an optical orbital angular momentum
(OAM) erbium-doped fiber amplifier for lower order OAM modes based on an air-hole …

Point-by-point femtosecond laser micro-processing of independent core-specific fiber Bragg gratings in a multi-core fiber

A Donko, M Beresna, Y Jung, J Hayes… - Optics express, 2018 - opg.optica.org
Four 3rd order fiber Bragg gratings were inscribed into separate cores of a 7 core multi-core
fiber using the point-by-point inscription technique. A 1030 nm, 206±5 fs laser was used …

Increase of cladding pump power efficiency by a 19-core erbium doped fibre amplifier

S Takasaka, K Maeda, K Kawasaki… - 2017 European …, 2017 - ieeexplore.ieee.org
Template for Papers ECOC 2015 Page 1 Increase of Cladding Pump Power Efficiency by a
19-Core Erbium Doped Fibre Amplifier S. Takasaka (1), K. Maeda (1), K. Kawasaki (1), K …

Past, current and future technologies for optical submarine cables

H Takeshita, M Sato, Y Inada… - 2019 IEEE/ACM …, 2019 - ieeexplore.ieee.org
Optical submarine cables are a crucial infrastructure as they convey 99% of internet traffic
between countries and continents. Although, their history is rooted in the middle in the 19th …

Modeling and characterization of cladding-pumped erbium-ytterbium co-doped fibers for amplification in communication systems

C Matte-Breton, R Ryf, NK Fontaine… - Journal of Lightwave …, 2020 - opg.optica.org
Cladding-pumped optical fiber amplifiers are of increased interest in the context of space-
division multiplexing but are known to suffer from low power efficiency. In this context …

Progress and demonstrations on space division multiplexing

C Papapavlou, K Paximadis… - 2020 11th International …, 2020 - ieeexplore.ieee.org
As optical networks urgently seek for extra capacity, Space Division Multiplexing (SDM)
seems to be able to provide it. SDM can deploy multiple spatial channels in multi-core …

Demonstration of an erbium-doped fiber with annular do** for low gain compression in cladding-pumped amplifiers

C Matte-Breton, H Chen, NK Fontaine, R Ryf… - Optics express, 2018 - opg.optica.org
We present the design and characterization of a cladding-pumped amplifier with erbium
do** located in an annular region near the core. This erbium-doped fiber is proposed to …

Design Optimization of 12-Core Amplifier Based on Erbium Ytterbium Co-Doped Fiber for Spatial Multiplexed Transmission System

A Lebreton, G Mélin, S Bordais… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
A 20 dB gain 12 cores Er/Yb co-doped cladding pumped amplifier in C-band with only 5.3 W
of pump power has been achieved. A classical rate equation model has been applied for the …

Gain control in multi-core erbium-doped fiber amplifier with cladding and core hybrid pum**

H Ono, Y Miyamoto, T Mizuno… - Journal of Lightwave …, 2019 - opg.optica.org
This paper investigates gain controllability of cladding-and core-pum** hybrid-pumped
single-stage and double-stage multi-core (MC) erbium-doped amplifiers (EDFAs) for …