Few-Mode Erbium-Doped Fiber with Three-Layer Center-Recessed Doping for Gain Equalization. [PDF]
Sensors (Basel)We propose a design method for few-mode erbium-doped fiber (FM-EDF) incorporating stratified doping. In the simulation design, the FM-EDF effectively reduces the differential mode gain (DMG) through the utilization of stratified doping.
Bao S +5 more
europepmc +2 more sources
Flattening Few Mode Fiber Laser Source Based on PMF and Loop Mirror in a Ring Cavity Resonator [PDF]
Journal of Optoelectronical Nanostructures, 2023 : A multi-wavelength source using a hybrid amplifier comprised of a Semiconductor Optical Amplifier (SOA) and an Erbium-doped fiber amplifier (EDFA) in a ring fiber laser set up is proposed. Multi-wavelength sources are less expensive and more efficient
Sharifeh Shahi
doaj +1 more source
IEEE Photonics Journal, 2021 We propose a design of ring-core few-mode fiber (RC-FMF) with the erbium doping at the cladding region near the outer ring edge. After the parameter optimization of the RC-FM-EDF, the intensity overlapping difference between LP01 and LP11 modes can be ...
Yihong Fang +5 more
doaj +1 more source
Multiple-Ring-Core FM-EDF for Weakly-Coupled MDM Amplification With Low Differential Modal Gain
IEEE Photonics Journal, 2021 Recently weakly-coupled mode-division multiplexing (MDM) transmission systems and networks based on ultralow-modal-crosstalk few-mode fiber (FMF) have attracted much interest, for which optical amplification technologies with low modal crosstalk and two ...
Jinglong Zhu +7 more
doaj +1 more source
Gain Characteristics of Few-Mode EDFA With Different Pump
IEEE Photonics Journal, 2022 Few-mode erbium-doped fiber amplifier (FM-EDFA) is a key device to achieve power compensation in long-haul mode division multiplexing (MDM) optical system.
Wenxuan Xu +7 more
doaj +1 more source
A Multi-Layer Erbium-Doped Air-Hole-Assisted Few-Mode Fiber with Ultra-Low Differential Modal Gain
Photonics, 2022 The air-hole assisted few-mode fiber (AH-FMF) enables modal intensity balance and offers a profound prospect in gain equalization with the combination of adaptive ion doping.
Zhiqi Li +6 more
doaj +1 more source
Optical waveguide analysis using transmission lines [PDF]
Optical fibres have been used as a key medium for telecommunication and networking for more than two decades because in principle they offer sufficient transmission capacity, reaching total rates as high as Tbits/s per fibre.
Qian, Xin
core +9 more sources
Optical Materials: X, 2019 Reported here is an erbium-doped, few-mode, intrinsically low Brillouin gain optical fiber fabricated using a novel reactive molten core (rMC) process involving in-situ metal oxidation.
M. Tuggle +7 more
doaj +1 more source
Spatial mode switchable, wavelength tunable erbium doped fiber laser incorporating a spatial light modulator [PDF]
, 2014 We present a 2-mode group, switchable spatial mode erbium doped fiber laser incorporating a spatial light modulator. The laser wavelength can be tuned using an intra-cavity wavelength selective filter and provides >10dB extinction ratio between LP01 ...
Daniel, J.M.O. +13 more
core +2 more sources
Tunable single-frequency ytterbium-sensitized erbium-doped fiber MOPA source with 150W (51.8 dBm) of output power at 1563 nm [PDF]
, 2005 A single-frequency, single-mode ytterbium-sensitized erbium-doped fiber master-oscillator power-amplifier generated 150 W of continuous-wave output power at 1563 nm with 33% slope efficiency and was tuned in the range of 1546 to 1566 nm at >125 ...
Jeong, Y. +9 more
core +1 more source