Novel optical solitary waves and modulation instability analysis for the coupled nonlinear Schrödinger equation in monomode step-index optical fibers
Sign Up to like & getrecommendations! Published in 2017 at "Superlattices and Microstructures"
DOI: 10.1016/j.spmi.2017.12.010
Abstract: Abstract This paper addresses the coupled nonlinear Schrodinger equation (CNLSE) in monomode step-index in optical fibers which describes the nonlinear modulations of two monochromatic waves, whose group velocities are almost equal. A class of dark,… read more here.
Keywords: solitary waves; analysis; monomode step; step index ... See more keywords
Observation of spatial nonlinear self-cleaning in a few-mode step-index fiber for special distributions of initial excited modes
Sign Up to like & getrecommendations! Published in 2021 at "Scientific Reports"
DOI: 10.1038/s41598-021-03856-x
Abstract: In this paper, we experimentally demonstrate that a nonlinear Kerr effect in suitable coupling conditions can introduce a spatially self-cleaned output beam for a few-mode step-index fiber. The impact of the distribution of the initial… read more here.
Keywords: index fiber; self cleaning; initial excited; self ... See more keywords
Step-Index Optical Fibers With 0.88 Numerical Aperture
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2019.2919669
Abstract: In this work, step-index optical fibers with up to 0.88 numerical aperture (NA) were designed, modeled, fabricated, and tested. Both ray-tracing and wave-optics propagation analysis were utilized to model the NAs that can be achieved… read more here.
Keywords: optical fibers; index optical; fibers numerical; step index ... See more keywords
Negative-Curvature Anti-Resonant Fiber Coupling Tolerances
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2019.2937210
Abstract: We investigate coupling tolerances of selected designs of negative-curvature anti-resonant fibers (NC-ARFs) with open- and closed-boundary types of structure under linear and angular misalignment of the input near-infrared laser beam. The coupling tolerances of NC-ARFs… read more here.
Keywords: coupling tolerances; step index; index fiber;
On the Characterization of Novel Step-Index Biocompatible and Biodegradable poly(D,L-lactic acid) Based Optical Fiber
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2019.2959945
Abstract: We report on the first step-index biodegradable polymer optical fiber (bioPOF) fabricated using commercially available polyesters, with a core made from poly(D,L-lactic-co-glycolic acid) and a cladding made from poly(D,L-lactic acid). We prepared the preforms with… read more here.
Keywords: poly lactic; optical fiber; step index; lactic acid ... See more keywords
A Novel Core Allocation in Heterogeneous Step-Index Multi-Core Fibers With Standard Cladding Diameter
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2021.3112656
Abstract: We numerically reveal the feasibility of designing multi-core fibers (MCFs) with the simple step-index (SI) profile within the standard 125-μm cladding diameter. We show that the standard cladding diameter enables us to incorporate five identical… read more here.
Keywords: step index; standard cladding; cladding diameter; core ... See more keywords
A Step-Index Silicate Nonlinear Fiber With All Normal Flattened Dispersion for Coherent Supercontinuum
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2019.2937325
Abstract: A step-index silicate fiber with all normal flat dispersion was fabricated. Coherent supercontinuum (SC) spectrum spanning 1200 to 2000 nm was generated in a 5 cm silicate fiber pumped at 1560 nm. The numerical simulation result agreed… read more here.
Keywords: index silicate; fiber normal; step index; fiber ... See more keywords
Investigation of Core Compositions for Efficient 976 nm Lasing From Step Index Large-Mode-Area Fiber
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Photonics Technology Letters"
DOI: 10.1109/lpt.2020.3033993
Abstract: We present an efficient 976 nm fiber laser achieved in a step index large-mode-area (LMA) fiber by 915 nm diode pumping. The 976 nm lasing was enabled using spectroscopic engineering in a fiber design that… read more here.
Keywords: 976 lasing; step index; index large; efficient 976 ... See more keywords
Modal dispersion characteristics of LP0m modes in a step-index multimode fiber.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.471795
Abstract: A modal interferometer method (MIM) is applied to measure the differential mode delay (DMD) between the L P 0m modes traversing a step-index multimode fiber (SI-MMF). Only linearly polarized radial modes, i.e., L P 0m modes,… read more here.
Keywords: multimode fiber; step index; index multimode; dmd ... See more keywords
Ultrafast intermodal third harmonic generation in a liquid core step-index fiber filled with C2Cl4.
Sign Up to like & getrecommendations! Published in 2020 at "Optics express"
DOI: 10.1364/oe.399771
Abstract: Third harmonic generation in a circular liquid core step-index fiber filled with a highly transparent inorganic solvent is demonstrated experimentally using ultrafast pump pulses of different durations in the telecom domain for the first time.… read more here.
Keywords: third harmonic; harmonic generation; step index; core step ... See more keywords
Multimode solitons in step-index fibers.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.446482
Abstract: 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 fundamental fiber… read more here.
Keywords: index; index fibers; step index; multimode solitons ... See more keywords