Domain-wall dark pulse generation with SMF-GIMF-SMF structure as artificial saturable absorber [PDF]
Scientific ReportsWe experimentally demonstrated the generation of domain-wall dark pulse in an Erbium-doped fiber laser using the combination of a 10 cm graded index multimode fiber sandwiched by single mode fibers as artificial saturable absorber.
Yu Chen +5 more
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Cascaded Raman scattering based high power octave-spanning supercontinuum generation in graded-index multimode fibers. [PDF]
Sci Rep, 2018 A new method to generate multi-watt-level, octave-spanning, spectrally flat supercontinua stemmed from cascaded Raman scattering in graded-index multimode fibers is reported.
Teğin U, Ortaç B.
europepmc +2 more sources
Refractive index profiling of multimode specialty optical fibers by absorption contrast X-ray computed microtomography [PDF]
EPJ Web of Conferences, 2023 We report on successful refractive index profiling of commercially available step-index and in-house made graded-index multimode specialty optical fibers by means of X-ray computed microtomography.
Ferraro Mario +12 more
doaj +1 more source
Spatiotemporal Evolutions of Similariton Pulses in Multimode Fibers with Raman Amplification
Photonics, 2021 This paper aims to pave the way towards the demonstration of spatiotemporal similariton pulses’ evolution in passive multimode fibers with Raman amplification.
Leila Graini, Bülend Ortaç
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Multimode solitons in step-index fibers [PDF]
, 2022 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, Mario +6 more
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Full-beam spatial coherence measurements of supercontinuum generation in multimode fibers [PDF]
EPJ Web of Conferences, 2023 We study experimentally the spatial coherence across the full spatial beam profile of supercontinuum light generated in both in graded-index and step-index multimode fibers.
Li Jiaqi, Ryczkowski Piotr, Genty Goëry
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Longitudinal Morphomolecular Monitoring of Head and Neck Carcinogenesis. [PDF]
Adv Sci (Weinh)A miniaturized endoscopic probe that integrates Raman spectroscopy and optical coherence tomography, enabling simultaneous molecular and structural imaging of living tissue, was developed. Applied longitudinally in a mouse model of head and neck cancer, the system tracks disease progression from precancerous lesions to invasive cancer.
Qiu J +7 more
europepmc +2 more sources
Spatial Beam Cleaning in Multimode GRIN Fibers: Polarization Effects
IEEE Photonics Journal, 2023 The beam self-cleaning effect in graded-index multimode optical fibers has several interesting potential applications, such as high-resolution nonlinear imaging and mode-locked fiber lasers. Most experimental and theoretical studies of beam self-cleaning
Mario Ferraro +9 more
doaj +1 more source
Multimode Graded Index Fiber with Random Array of Bragg Gratings and Its Raman Lasing Properties
Fibers, 2023 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
High bandwidth performance of multimode graded-index microstructured polymer optical fibers
Results in Physics, 2023 The investigation of the bandwidth in multimode graded-index microstructured polymer optical fiber (GI mPOF) with a solid core is proposed using a modal diffusion approach.
Svetislav Savović +9 more
doaj +1 more source