Results 31 to 40 of about 7,027 (218)

Deep Learning for Computational Mode Decomposition in Optical Fibers

open access: yesApplied Sciences, 2020
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

General theory and observation of Cherenkov radiation induced by multimode solitons

open access: yesCommunications Physics, 2021
The multifaceted nature of nonlinear multimode optical fibers has provided a fertile ground for observing novel physical effects otherwise impossible in single-mode setting.
M. A. Eftekhar   +4 more
doaj   +1 more source

Single multimode fiber endoscope

open access: yesOptics Express, 2017
Multimode fibers can guide thousands of modes capable of delivering spatial information. Unfortunately, mode dispersion and coupling have so far prevented their use in endoscopic applications. To address this long-lasting challenge, we present a robust scanning fluorescence endoscope.
Caravaca-Aguirre, Antonio M   +1 more
openaire   +2 more sources

Fabrication and modeling of multimode fiber lenses [PDF]

open access: yesApplied Optics, 2013
We report on the fabrication, modeling, and experimental verification of the emission of fiber lenses fabricated on multimode fibers in different media. Concave fiber lenses with a radius of 150 μm were fabricated onto a multimode silica fiber (100 μm core) by grinding and polishing against a ruby sphere template.
Bescherer, Klaus   +3 more
openaire   +3 more sources

Coupling Effects Among Degenerate Modes in Multimode Optical Fibers

open access: yesIEEE Photonics Journal, 2014
Multimode optical fibers have recently received revived attention in the framework of space-division multiplexed systems, where the spatial diversity of fiber modes is exploited to increase transmission capacity.
L. Palmieri, A. Galtarossa
doaj   +1 more source

Active wavefront shaping for controlling and improving multimode fiber sensor [PDF]

open access: yesJournal of Innovative Optical Health Sciences, 2019
Wavefront shaping (WFS) techniques have been used as a powerful tool to control light propagation in complex media, including multimode fibers. In this paper, we propose a new application of WFS for multimode fiber-based sensors.
Tianting Zhong   +5 more
doaj   +1 more source

Opportunities of Semiconducting Oxide Nanostructures as Advanced Luminescent Materials in Photonics

open access: yesAdvanced Materials, EarlyView.
The review discusses the challenges of wide and ultrawide bandgap semiconducting oxides as a suitable material platform for photonics. They offer great versatility in terms of tuning microstructure, native defects, doping, anisotropy, and micro‐ and nano‐structuring. The review focuses on their light emission, light‐confinement in optical cavities, and
Ana Cremades   +7 more
wiley   +1 more source

Ultra-Sensitive Strain and Temperature Sensing Based on Modal Interference in Perfluorinated Polymer Optical Fibers

open access: yesIEEE Photonics Journal, 2014
We implement the strain and temperature sensors based on multimode interference in perfluorinated (PF) graded-index (GI) plastic optical fibers, and investigate their sensing performance at 1300 nm.
Goki Numata   +4 more
doaj   +1 more source

Large core multimode fiber with high bandwidth and high connector tolerance for broadband short distance communications

open access: yesAPL Photonics, 2021
We propose a large core multimode fiber with 100-µm core diameter for short distance communication that is compatible with existing transceivers designed for 50-µm diameter core multimode fibers.
Kangmei Li   +5 more
doaj   +1 more source

Investigation of mode coupling in strained and unstrained multimode step-index POFs using the Langevin equation

open access: yesHeliyon, 2023
The Langevin equation (LE) is used to evaluate mode coupling in multimode step-index polymer optical fiber (SI POF) that is both unstrained and strained.
Svetislav Savović   +3 more
doaj   +1 more source

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