Results 21 to 30 of about 64,820 (213)
Learning the matrix of few-mode fibers for high-fidelity spatial mode transmission
Few-mode fibers (FMFs) are promising for advancements in transmission capacity in classical and quantum communications. However, the inherent modal crosstalk limits the practical application of FMF.
Qian Zhang +3 more
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Design of Few-Mode Fibers for Mode-Division Multiplexing Transmission
We investigate the fiber parameters that meet the design conditions for low bending loss and an effectively few-mode operation on few-mode fibers with a step-index profile and a W-shaped refractive index profile for mode-division multiplexing ...
Motoki Kasahara +7 more
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A Review of Using Few-Mode Fibers for Optical Sensing
The development of few-mode fiber (FMF) has found numerous interesting applications in optical sensing. Given the remarkable capabilities of FMF, optical sensors of novel functionalities can be deployed.
Islam Ashry +6 more
doaj +1 more source
Contactless vital signs monitoring based on few-mode and multi-core fibers
Few-mode and multi-core fibers are proposed and demonstrated for contactless vital signs monitoring in this paper. In-line optical fiber interferometers using few-mode and multi-core fibers are designed and offset splicing is utilized for mode excitation.
Tan Fengze +4 more
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Recent Progress in Distributed Brillouin Sensors Based on Few-Mode Optical Fibers
Brillouin scattering is a dominant inelastic scattering observed in optical fibers, where the energy and momentum transfer between photons and acoustic phonons takes place.
Yong Hyun Kim, Kwang Yong Song
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Demonstration of Mode-Evolutional Multiplexer for Few-Mode Fibers Using Stacked Polymer Waveguide
Mode-evolutional multi/demultiplexer for few-mode fibers was demonstrated using stacked polymer waveguides. Owing to the stacked structure, TE00, TE10, and TE01 modes, which correspond to LP01, LPeven11 , and LPodd 11 modes, respectively, were ...
T. Watanabe, Y. Kokubun
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Few-Mode Fibers With Uniform Differential Mode Group Delay for Microwave Photonic Signal Processing
We present a novel design of few-mode fiber (FMF) with a uniform differential mode group delay (U-DMGD) among propagating modes and apply the FMF to a single-fiber delay line module for implementing microwave photonic finite impulse response (FIR ...
Jian Zhao +5 more
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Wideband and Low-Loss Mode Scrambler for Few-Mode Fibers Based on Distributed Multiple Point-Loads
We propose a new type of all-fiber mode scrambler for mode division multiplexed data transmission based on few mode fibers. By randomly placing multiple point-loads along the fiber length, low loss and wideband mode coupling is obtained amongst all the ...
Yaping Liu +4 more
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We report on a novel weakly-coupled 6-LP-mode fiber that features a nanopore-assisted step-index core with double-cladding profile. The purpose of this fiber design is to alleviate modes coupling and bend sensitivity, thus simplifies the multiple-input ...
Yuheng Xie +6 more
doaj +1 more source
It is the basic characteristic of pure vortex light that there is a phase singularity at the origin. Such a singularity may be multiple degenerate, which determines the order of vortex light. Singularities splitting phenomenon means that singularities no
Mao Baiwei +7 more
doaj +1 more source

