A high-speed radio over free space optics transmission link under dust environment conditions employing hybrid wavelength-and mode-division multiplexing

M Singh, SN Pottoo, Suvidhi, V Soi, A Grover, MH Aly - Wireless Networks, 2021 - Springer
The increasing demand for high-speed information transmission as a result of adoption of
wide variety of multimedia applications including high-definition television, social …

Weakly-coupled mode division multiplexing over conventional multi-mode fiber with intensity modulation and direct detection

J Li, Z Wu, D Ge, J Zhu, Y Tian, Y Zhang, J Yu… - Frontiers of …, 2019 - Springer
Multi-mode fiber (MMF) links are expected to greatly enhance capacity to cope with rapidly
increasing data traffic in optical short-reach systems and networks. Recently, mode division …

Wavelength-interleaved MDM-WDM transmission over weakly-coupled FMF

Y Tian, J Li, Z Wu, Y Chen, P Zhu, R Tang, Q Mo… - Optics …, 2017 - opg.optica.org
Recently mode-division-multiplexing (MDM) has been widely investigated to enhance fiber
optics capacity, in which modes or mode groups in few-mode fiber (FMF) or multi-mode fiber …

Fiber vector eigenmode multiplexing based high capacity transmission over 5-km FMF with Kramers-Kronig receiver

J Zhang, X Wu, J Li, L Lu, J Tu, Z Li… - Journal of Lightwave …, 2021 - ieeexplore.ieee.org
Vector modes (VMs) with spatially nonhomogeneous polarization patterns, combining
polarization and spatial-mode degrees of freedom together, are regarded as the …

Low-loss silica waveguide 1× 8 thermo-optic switch based on large-scale multimode interference couplers

J Yue, M Wang, J Zou, T Liu, J Fang, X Sun, Y Wu… - Optics …, 2024 - Elsevier
Optical switches play key role in signal crossing and interconnection. Low-loss and compact
optical switches are highly demanded in on-chip optical routing. A silica waveguide 1× 8 …

High-order mode fiber laser based on few-mode fiber gratings

S Wang, X Liu, H Wang, G Hu - Optics & Laser Technology, 2022 - Elsevier
We propose and experimentally demonstrate a high-order mode fiber laser based on few-
mode fiber gratings. The fiber laser has the structure of three sub-ring-cavities. LP 01 mode …

Fluorinated photopolymer cascaded MMI-based integrated optical waveguide switching matrix with encoding functions

R Cheng, D Zhang, J Wang, C Wang, F Gao, X Sun… - Optics …, 2019 - opg.optica.org
In this work, thermo-optic tunable 4× 4 cascaded multimode interference based integrated
optical waveguide switching matrices are designed and fabricated using photopolymer …

K-nearest neighbor model for classification between four different Hermite Gaussian beams in MDM/FSO systems under rainy weather

M Singh, A Métwalli, HY Ahmed, M Zeghid… - Optical and Quantum …, 2023 - Springer
In this paper the K-Nearest Neighbor (KNN) model which is one of machine learning (ML)
algorithm is applied to distinguish between the four distinct Hermite Gaussian (HG) beams …

Elliptical-core highly nonlinear few-mode fiber based OXC for WDM-MDM networks

J Gao, E Nazemosadat, Y Yang, S Fu… - IEEE Journal of …, 2020 - ieeexplore.ieee.org
In order to realize an optical cross-connect (OXC) converting wavelengths and spatial
modes into one-dimensional switching ports, we propose an active mode selective …

DD-OFDM transmission over few-mode fiber based on direct vector mode multiplexing

J Li, J Zhang, F Li, X Huang, S Gao, Z Li - Optics express, 2018 - opg.optica.org
The fiber vector eigenmode based mode division multiplexing (VMDM) transmission over
few-mode fiber (FMF) with the 1st-order cylinder vector beams (CVBs) has been …