Accelerated Nonlinear Interactions In Graded-Index Multimode Fibers
Mohammad Amin Eftekhar,Z. Sanjabi-Eznaveh,Helena Lopez-Aviles,Sepehr Benis,Jose Enrique Antonio-Lopez,Miroslav Kolesik,Frank W. Wise,Rodrigo Amezcua-Correa,Demetrios N. Christodoulides +8 more
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TLDR
In this article, accelerated nonlinear intermodal interactions in core-diameter decreasing multimode fibers have been studied and shown to lead to relatively blue-shifted multimode solitons and blue-drifting dispersive wave combs, while in the normal domain, a notably flat and uniform supercontinuum, extending over 2.5 octaves.Abstract:
Multimode optical fibers have recently reemerged as a viable platform for addressing a number of long-standing issues associated with information bandwidth requirements and power-handling capabilities. As shown in recent studies, the complex nature of such heavily multimoded systems can be effectively exploited to observe altogether novel physical effects arising from spatiotemporal and intermodal linear and nonlinear processes. Here, we study for the first time, accelerated nonlinear intermodal interactions in core-diameter decreasing multimode fibers. We demonstrate that in the anomalous dispersion region, this spatiotemporal acceleration can lead to relatively blue-shifted multimode solitons and blue-drifting dispersive wave combs, while in the normal domain, to a notably flat and uniform supercontinuum, extending over 2.5 octaves. Our results pave the way towards a deeper understanding of the physics and complexity of nonlinear, heavily multimoded optical systems, and could lead to highly tunable optical sources with very high spectral densities.read more
Citations
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Supercontinuum generation, photonic crystal fiber
TL;DR: In this article, a review of numerical and experimental studies of supercontinuum generation in photonic crystal fiber is presented over the full range of experimentally reported parameters, from the femtosecond to the continuous-wave regime.
Journal ArticleDOI
Multimode nonlinear fiber optics, a spatiotemporal avenue
Katarzyna Krupa,Alessandro Tonello,Alain Barthélémy,Tigran Mansuryan,Vincent Couderc,Guy Millot,Philippe Grelu,Daniele Modotto,Sergey A. Babin,Stefan Wabnitz,Stefan Wabnitz +10 more
TL;DR: In this article, a perspective overview of the emerging field of nonlinear optics in multimode optical fibers is provided for the ultrafast light-activated control of temporal, spatial, and spectral degrees of freedom of intense, pulsed beams of light for a range of different technological applications.
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Spatiotemporal Mode-Locking in Lasers with Large Modal Dispersion
TL;DR: It is demonstrated that STML can also be achieved in multimode lasers with much larger modal dispersion, where it is found that the intracavity saturable absorber plays an important role for counteracting the large modal Dispersion.
Journal ArticleDOI
High-energy multidimensional solitary states in hollow-core fibres
Reza Safaei,Guangyu Fan,Ojoon Kwon,Katherine Légaré,Philippe Lassonde,Bruno E. Schmidt,Heide Ibrahim,François Légaré +7 more
TL;DR: In this article, the formation of highly stable multidimensional solitary states in a molecular gas-filled large-core hollow-core fiber is demonstrated, offering new opportunities for studying multimodal spatio-temporal dynamics in the high-energy regime.
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Spatial Beam Self-Cleaning and Supercontinuum Generation with Yb-doped Multimode Graded-Index Fiber Taper Based on Accelerating Self-Imaging and Dissipative Landscape
Alioune Niang,Tigran Mansuryan,Katarzyna Krupa,Alessandro Tonello,Marc Fabert,Philippe Leproux,Daniele Modotto,Guy Millot,Vincent Couderc,Stefan Wabnitz +9 more
TL;DR: By taper cut-back, it is observed that the dissipative landscape, i.e., a non-monotonic variation of the average beam power along the MMF, leads to modal transitions of self-cleaned beams along the taper length.
References
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Book
Nonlinear Fiber Optics
TL;DR: The field of nonlinear fiber optics has advanced enough that a whole book was devoted to it as discussed by the authors, which has been translated into Chinese, Japanese, and Russian languages, attesting to the worldwide activity in the field.
Journal ArticleDOI
Supercontinuum generation in photonic crystal fiber
TL;DR: In this paper, a review of numerical and experimental studies of supercontinuum generation in photonic crystal fiber is presented over the full range of experimentally reported parameters, from the femtosecond to the continuous-wave regime.
Journal ArticleDOI
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Space-division multiplexing in optical fibres
TL;DR: In this paper, the authors summarized the simultaneous transmission of several independent spatial channels of light along optical fibres to expand the data-carrying capacity of optical communications, and showed that the results achieved in both multicore and multimode optical fibers are documented.
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Transmission of stationary nonlinear optical pulses in dispersive dielectric fibers. I. Anomalous dispersion
Akira Hasegawa,Frederick Tappert +1 more
TL;DR: Theoretical calculations supported by numerical simulations show that utilization of the nonlinear dependence of the index of refraction on intensity makes possible the transmission of picosecond optical pulses without distortion in dielectric fiber waveguides with group velocity dispersion.