Mode division multiplexing: from photonic integration to optical fiber transmission

J Du, W Shen, J Liu, Y Chen, X Chen, Z He - Chinese Optics Letters, 2021 - opg.optica.org
To overcome the capacity crunch of optical communications based on the traditional single-
mode fiber (SMF), different modes in a few-mode fiber (FMF) can be employed for mode …

Impact analysis of a dense hole-assisted structure on crosstalk and bending loss in homogeneous few-mode multi-core fibers

Y Xie, L Pei, J Zheng, Q Zhao, T Ning, J Li - Optics express, 2020 - opg.optica.org
We present a novel dense hole-assisted structure (DHAS) in homogeneous few-mode multi-
core fibers (FM-MCFs) for significantly suppressing inter-core crosstalk (XT) and bending …

Detailed characterization of a high-gain, low differential modal gain and low gain flatness integrated FM-EDFA for multi-wavelength amplification

S Zhou, L Shen, Z Liao, J Qi, Y Ding, H Zhang, J Chu… - Optics …, 2024 - opg.optica.org
In this paper, an integrated few-mode erbium-doped fiber amplifier (FM-EDFA), with high
gain, low differential modal gain (DMG), and low gain flatness for multi-wavelength …

[PDF][PDF] 少模光纤强耦合通信系统中的关键器件综述

徐思聪, 周雯, 余建军 - 激光与光电子学进展, 2023 - researching.cn
摘要基于少模光纤的空分复用(SDM) 技术是一种能将现有单模光纤通信系统的容量提高数十倍
的关键技术, 作为一种克服传统单模光纤通信系统容量瓶颈的有效手段, 值得深入研究 …

Low cross talk homogeneous seven-core five-LP mode fiber based on a high and low refractive index double ring

L Wang, S Li, X Meng, Y Guo, Z Li - JOSA B, 2021 - opg.optica.org
We propose a what we believe is a novel, to the best of our knowledge, high and low
refractive index double-ring (HL-DR) structure in few-mode multicore fibers (FM-MCFs) to …

Analysis of gain and noise characteristics of O-band Bi-doped fiber amplifier under different pumping schemes

D Wang, L Pei, J Zheng, J Wang, W Xu, T Ning, J Li… - Optik, 2022 - Elsevier
In this paper, the gain and noise characteristics of bismuth-doped fiber amplifiers in O-band
(1260–1360 nm) under forward, backward and bidirectional pumping are comprehensively …

The gain equalization of six-mode signals by few-mode bismuth-doped fiber amplifier operating in O-band

D Wang, L Pei, J Zheng, W Xu, J Wang, T Ning… - Optical Fiber …, 2022 - Elsevier
In this paper, an O-band few-mode fiber amplifier is numerically simulated based on our
proposed few-mode bismuth-doped fiber. The different pump modes and powers, signal …

Strongly coupled few-mode erbium-doped fiber amplifiers with ultralow differential modal gain

Y Liu, X Wang, Z Yang, L Zhang, G Li - Optical Fiber Communication …, 2020 - opg.optica.org
Strongly Coupled Few-mode Erbium-doped Fiber Amplifiers with Ultralow Differential Modal
Gain Page 1 W4B.7.pdf OFC 2020 © OSA 2020 Strongly Coupled Few-mode Erbium-doped …

Modified differential overlap factor and modal gain equalization criteria-based comparative analysis of 4M-EDFA 980;1480 nm towards identification of a unique erbium doping …

SK Naik, G Qazi - Journal of Computational Electronics, 2023 - Springer
A four-mode erbium-doped fiber amplifier (4M-EDFA) system with LP 01; 980 nm and LP 01;
1480 nm pump wavelengths is explored analytically using a coupled mode equation and …

Gain equalization for a six-mode-group Er-doped fiber amplifier

S Xu, W Zhang, Z Qin - Optical and Quantum Electronics, 2020 - Springer
We theoretically present a method for equalizing modal gain in a six-LP-mode erbium-
doped fiber amplifier by combing two sections of erbium-doped fibers (EDFs) with different …