DataVXACS PhotonicsPaper
journal article·2023-03-15Open access

Experimental Observation of the Spontaneous Emission of a Space–Time Wavepacket in a Multimode Optical Fiber

Karolina Stefańska, Pierre Béjot, Karol Tarnowski, Bertrand Kibler

ACS Photonics· Volume 10· Issue 3
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Source abstract

Abstract

We provide a complete analysis, from theory to experiment, of the spontaneous emergence of a discretized conical wave of X-type (i.e., a localized 2D+1 space-time wavepacket) when an intense ultrashort pulse nonlinearly propagates in a multimode fiber. In particular, we reveal that this spatiotemporal phenomenon corresponds to broadband intermodal dispersive wave emission from an unsteady localized wave structure formed during nonlinear propagation. Theoretical phase-matching predictions are experimentally and numerically confirmed in a commercially available step-index multimode fiber. Our results provide a general understanding of phase-matched radiations emitted by nonlinear waves in multidimensional dispersive optical system.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Advanced Fiber Laser Technologies · Laser-Matter Interactions and Applications · Photonic Crystal and Fiber Optics

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Laboratoire Interdisciplinaire Carnot de Bourgogne (ICB), UMR6303 CNRS-Université Bourgogne Franche-Comté, 21000 Dijon, France

Department of Optics and Photonics, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland

Funding

Narodowa Agencja Wymiany Akademickiej · Agence Nationale de la Recherche · European Regional Development Fund · Narodowe Centrum Nauki · Minist?re de l'Enseignement Sup?rieur et de la Recherche Scientifique · Minist?re de l'Europe et des Affaires ?trang?res · Bourgogne Franche-Comt? region

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