The mode division multiplexing (MDM) technique together with wavelength division
multiplexing (WDM) shows the great prospect to solve the capacity crunch of current …

The transmission capacity of optical fiber communication can be effectively improved by the
combination of dual-polarization (DP) high-order modulation format with mode division …

Mode-division multiplexing (MDM) is a new method of space-division multiplexing (SDM)
that can break through the limitation of single-mode transmission capacity and greatly …

Featured Application Optical fiber transmission. Abstract Few-mode erbium-doped fiber
amplifiers (FM-EDFAs) are one of the most important optical subsystems for successful …

An all-fiber few-mode erbium-doped fiber amplifier (FM-EDFA) is constructed by the
integration of few-mode isolator wavelength division multiplexers (FM-IWDMs), which act as …

Fluorosilicate glass optical fibres are interesting hosts for rare-earth ions. When doped with
ytterbium, for example, such fibres exhibit unique and beneficial fluoride-like spectroscopic …

We present a rigorous design of few-mode erbium doping fiber (FM-EDF) with an oversized
two-layer erbium ion distribution at the central region with effective differential modal gain …

Using the linear polarization (LP) mode decomposition method, we theoretically analyze the
beat effect between the same polarization components of the vector pump modes and …

In this work, we demonstrate and evaluate a new design of micro-structured core erbium-
doped few-mode fiber to be used as optical amplifier in the context of mode-division …

A few-mode pre-amplifier with high gain and high coupling efficiency was suitable for the
turbulence-resistant free-space optical (FSO) communication. Here, we first built and …