Long-haul intermodal-MIMO-free MDM transmission based on a weakly coupled multiple-ring-core few-mode fiber

M Zuo, D Ge, JX Liu, Y Gao, L Shen, X Lan, Z Chen… - Optics express, 2022 - opg.optica.org
Mode-division multiplexing (MDM) technique based on few-mode fibers (FMFs) can achieve
multiplicative growth in single-fiber capacity by using different linearly polarized (LP) modes …

Machine learning aided inverse design for few-mode fiber weak-coupling optimization

Z He, J Du, X Chen, W Shen, Y Huang, C Wang… - Optics …, 2020 - opg.optica.org
Few-mode fiber (FMF) supporting many modes with weak-coupling is highly desired in
mode division multiplexing (MDM) systems. The multi-parameter design of FMF becomes …

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 …

Ultra-low-loss 5-LP mode selective coupler based on fused biconical taper technique

H Guo, L Chen, Z Shi, W Chang, L Gu, Z Wang… - Optics …, 2023 - opg.optica.org
Trapped in the stringent adiabatic transmission condition of high-order modes, low-loss
fused biconical taper mode selective coupler (FBT-MSC) has long been challenging to …

Low-modal-crosstalk orthogonal combine reception for degenerate modes in IM/DD MDM transmission

J Cui, Y Gao, S Huang, J Yu, L Shen, L Zhang… - Optics …, 2023 - opg.optica.org
Weakly-coupled mode division multiplexing (MDM) techniques supporting intensity
modulation and direct detection (IM/DD) transmission is a promising candidate to enhance …

A degenerate-mode-selective coupler for stable DSP-free MDM transmission

Y Gao, J Cui, D Ge, J Jia, C Du, C Xia, Y Liu… - Journal of lightwave …, 2019 - opg.optica.org
Weakly-coupled mode division multiplexing (MDM) has been intensively investigated in
recent years. In order to be compatible with conventional intensity modulation and direct …

Few-mode optical fiber with a simple double-layer core supporting the O+ C+ L band weakly coupled mode-division multiplexing transmission

S Mo, H Zhu, J Liu, J Liu, J Zhang, L Shen, X Wang… - Optics …, 2023 - opg.optica.org
A weakly-coupled few mode fiber (FMF) with a simple double-layer core is designed and
fabricated that support five (seven) weakly coupled mode groups with average attenuation of …

Broadband polarization/mode insensitive 3-dB optical coupler for silicon photonic switches

H Xu, G Zhang, KHR Mojaver… - Optics Express, 2023 - opg.optica.org
In this work, we experimentally demonstrate a four-mode polarization/mode insensitive 3-dB
coupler based on an adiabatic coupler. The proposed design works for the first two …

Mode division multiplexing (MDM) based hybrid PON-FSO system for last-mile connectivity

H Singh, N Mittal, R Miglani… - 2021 Third South …, 2021 - ieeexplore.ieee.org
In this work, we have demonstrated mode division multiplexing (MDM) based high-speed
passive optical network (PON) and free-space optical (FSO) hybrid link for providing a …

A low crosstalk multi-core few-mode fiber with composite refractive index profile and air-hole embedded trench assistance

G Wang, J Zhang, H Zhang, F Wang, X Yan… - Optics …, 2021 - Elsevier
In order to reduce the fiber crosstalk for the space division multiplexing (SDM), this paper
proposes a novel multi-core few-mode fiber of composite refractive index profile and dual …