Space-division multiplexing: the next frontier in optical communication

G Li, N Bai, N Zhao, C **a - Advances in optics and photonics, 2014 - opg.optica.org
Space-division multiplexing (SDM) uses multiplicity of space channels to increase capacity
for optical communication. It is applicable for optical communication in both free space and …

Design and fabrication of elliptical-core few-mode fiber for MIMO-less data transmission

J Liang, Q Mo, S Fu, M Tang, P Shum, D Liu - Optics letters, 2016 - opg.optica.org
We propose a design strategy of elliptical core few-mode fiber (e-FMF) that supports three
spatial modes with enhanced mode spacing between LP 11 a and LP 11 b, to suppress intra …

Modal statistics in mode-division-multiplexed systems using mode scramblers

A Vijay, O Krutko, R Refaee… - Journal of Lightwave …, 2024 - ieeexplore.ieee.org
Typical multi-mode fibers exhibit strong intra-group mode coupling and weak inter-group
mode coupling. Mode scramblers can be inserted at periodic intervals to enhance inter …

Delay spread reduction in mode-division multiplexing: Mode coupling versus delay compensation

SÖ Arık, KP Ho, JM Kahn - Journal of Lightwave Technology, 2015 - opg.optica.org
Reduction of the group delay (GD) spread is crucial for minimizing signal processing
complexity in mode-division multiplexing. Strong mode coupling and GD compensation …

Theoretical analysis of long-haul systems adopting mode-division multiplexing

AE Elfiqi, AAI Ali, ZA El-Sahn, K Kato… - Optics Communications, 2019 - Elsevier
In this paper, we modify the Gaussian noise model (GN-model) to address the nonlinearity
effects in few-mode fibers. Closed-form expressions for the nonlinear interference power in …

Compact three-core fibers with ultra-low differential group delays for broadband mode-division multiplexing

Y Wu, KS Chiang - Optics Express, 2015 - opg.optica.org
An approximate explicit condition for the achievement of zero differential group delay (DGD)
in a homogeneous multicore fiber (MCF) is presented and verified numerically for a step …

Performance analysis of low-complexity adaptive frequency-domain equalization and MIMO signal processing for compensation of differential mode group delay in …

Y Weng, X He, Z Pan - Next-Generation Optical …, 2016 - spiedigitallibrary.org
Mode-division multiplexing (MDM) transmission systems utilizing few-mode fibers (FMF)
have been intensively explored to sustain continuous traffic growth. The key challenges of …

Two-dimensional phased array antenna beamforming system based on mode diversity

S Wang, X Li, Y Jia, G Hu - Optics Express, 2023 - opg.optica.org
In this paper, a two-dimensional phased array antenna beamforming system based on mode
diversity is demonstrated for the first time. The system uses few-mode long-period fiber …

Fast-convergent adaptive frequency-domain recursive least-squares algorithm with reduced complexity for MDM transmission systems using optical few-mode fibers

Y Weng, T Wang, Z Pan - … on Lasers and Electro-Optics (CLEO), 2016 - ieeexplore.ieee.org
We investigate a single-stage adaptive frequency-domain recursive-least-square algorithm
for simultaneously compensating CD&DMGD in few-mode fiber systems, which increases …

Measurement of differential mode group delay<? TeX\break?> in few-mode fibers based on Fresnel<? TeX\break?> reflection peaks

A Pang, G Hu, Y Qin, H Wang - Applied Optics, 2023 - opg.optica.org
Mode-division multiplexing communication based on few-mode fibers (FMFs) is the most
competitive scheme to address the bandwidth exhaustion in single-mode fibers. The …