Results 11 to 20 of about 358,903 (276)
Modal dynamics in multimode fibers [PDF]
The dynamics of modes and their states of polarizations in multimode fibers as a function of time, space, and wavelength are experimentally and theoretically investigated. The results reveal that the states of polarizations are displaced in Poincare sphere representation when varying the angular orientations of the polarization at the incident light ...
Fridman, Moti +4 more
openaire +3 more sources
Highly multimode solitons in step-index optical fiber
We report the generation of multimode solitons in step-index fibers. The solitons are superpositions of 5–10 temporally aligned transverse modes, they exhibit speckled beam profiles, and the spatio-spectral variation across the soliton can be complex.
Yuhang Wu +3 more
doaj +1 more source
We studied the effect of mode coupling on the space division multiplexing (SDM) capabilities of multimode step-index (SI) air-clad silica optical fibers by numerically solving the power flow equation.
Svetislav Savović +5 more
doaj +1 more source
Nonlinear Multimode Fiber Optics [PDF]
We overview recent advances in the nonlinear optics of multimode optical fibers, including ultrabroadband sideband and supercontinuum generation, Kerr and Raman beam cleanup, modal modulation instabilities, four wave mixing, and second harmonic beam cleaning.
Wabnitz, S. +6 more
openaire +2 more sources
Standard multimode optical fibers normally support transmission over some 100 modes. Large differences in the propagation constant and the spatial distribution of distinct modes degrade the performance of phase-sensitive optical time-domain reflectometry
K. Markiewicz +8 more
doaj +1 more source
Thermalization of light waves in multimode optical fibers: Negative temperatures equilibrium states and the role of disorder - INVITED [PDF]
Nonlinear random waves exhibit a phenomenon of irreversible thermalization, in analogy with the thermalization of a classical gas system. This irreversible process of thermalization to the Rayleigh-Jeans equilibrium distribution has been recently ...
Baudin Kilian +9 more
doaj +1 more source
Multimode solitons in step-index fibers [PDF]
We experimentally generate multimode solitons in step-index fibers, where nonlinearity compensates for both chromatic and modal dispersion. These solitons are subject to Raman self-frequency shift, and their energy is gradually transfered to the ...
Ferraro M. +6 more
core +2 more sources
Strain and temperature sensors using multimode optical fiber Bragg gratings and correlation signal processing [PDF]
Multimode fiber optic Bragg grating sensors for strain and temperature measurements using correlation signal processing methods have been developed. Two multimode Bragg grating sensors were fabricated in 62/125 m graded-index silica multimode fiber ...
Jones, BE, Jackson, PR, Lim, J, Yang, QP
core +1 more source
Multimode Graded Index Fiber with Random Array of Bragg Gratings and Its Raman Lasing Properties
Light propagation in multimode fibers is known to experience various nonlinear effects, which are being actively studied. One of the interesting effects is the brightness enhancement at the Raman conversion of the multimode beam in graded index (GRIN ...
Alexey G. Kuznetsov +4 more
doaj +1 more source
Deep Learning for Computational Mode Decomposition in Optical Fibers
Multimode fibers are regarded as the key technology for the steady increase in data rates in optical communication. However, light propagation in multimode fibers is complex and can lead to distortions in the transmission of information.
Stefan Rothe +3 more
doaj +1 more source

