Scaling of Nonlinear Dynamics Driven by Stimulated Raman Scattering in Gas-Filled Hollow-Core Fibers
Optical systems are scalable under low-intensity illu- mination since their governing equations are linearly dependent of the optical signal strength. Nonetheless, in high-intensity regimes, the induced polarization becomes nonlinear, rendering the simple scalability of the previous systems invalid....
| Autores: | , , , , , , |
|---|---|
| Tipo de recurso: | artículo |
| Fecha de publicación: | 2025 |
| País: | España |
| Institución: | Universidad del País Vasco |
| Repositorio: | Addi. Archivo Digital para la Docencia y la Investigación |
| OAI Identifier: | oai:addi.ehu.eus:10810/75050 |
| Acceso en línea: | http://hdl.handle.net/10810/75050 |
| Access Level: | acceso abierto |
| Palabra clave: | hollow-core optical fibers nonlinear optics |
| Sumario: | Optical systems are scalable under low-intensity illu- mination since their governing equations are linearly dependent of the optical signal strength. Nonetheless, in high-intensity regimes, the induced polarization becomes nonlinear, rendering the simple scalability of the previous systems invalid. Despite this, canonical nonlinear phenomena such as filamentation and high-harmonic generation in free space have recently been demonstrated to be scalable. Here we will discuss the extension of the scale-invariance paradigm to stimulated Raman scattering and molecular modula- tion in hollow anti-resonant fibers filled with Raman-active gases. We have found that the complex in-fiber dynamics can be accurately reproduced under very different conditions by keeping the so-called gain reduction factor, that accounts for the coupling of the inter- acting fields, as well as the dephasing time unaltered. Such scaling strategy enables access to equivalent nonlinear propagation sce- narios without sacrificing performance, laying the foundations for the design of nonlinear devices operating in exotic frequencies, like the ultraviolet, or quantum frequency convertors of non-classical light. |
|---|