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| Auteurs principaux: | , , , , , |
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| Format: | Preprint |
| Publié: |
2024
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| Sujets: | |
| Accès en ligne: | https://arxiv.org/abs/2405.01436 |
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| _version_ | 1866914781445750784 |
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| author | Stefańska, Karolina Béjot, Pierre Fatome, Julien Millot, Guy Tarnowski, Karol Lech Kibler, Bertrand |
| author_facet | Stefańska, Karolina Béjot, Pierre Fatome, Julien Millot, Guy Tarnowski, Karol Lech Kibler, Bertrand |
| contents | We present theoretical and experimental evidence of high-gain far-detuned nonlinear frequency conversion, extending towards both the visible and the mid-infrared, in a few-mode graded-index silica fiber pumped at 1.064 $μ$m, and more specifically achieving gains of hundreds of dB per meter below 0.65 $μ$m and beyond 3.5 $μ$m. Our findings highlight the potential of graded-index fibers in terms of strong modal confinement over an ultrabroad spectral range for enabling high-gain wavelength conversion. Such advancements require an accurate interpretation of intramodal and intermodal four-wave mixing processes. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_01436 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | High-gain far-detuned nonlinear frequency conversion in optical fibers: intramodal vs. intermodal processes Stefańska, Karolina Béjot, Pierre Fatome, Julien Millot, Guy Tarnowski, Karol Lech Kibler, Bertrand Optics We present theoretical and experimental evidence of high-gain far-detuned nonlinear frequency conversion, extending towards both the visible and the mid-infrared, in a few-mode graded-index silica fiber pumped at 1.064 $μ$m, and more specifically achieving gains of hundreds of dB per meter below 0.65 $μ$m and beyond 3.5 $μ$m. Our findings highlight the potential of graded-index fibers in terms of strong modal confinement over an ultrabroad spectral range for enabling high-gain wavelength conversion. Such advancements require an accurate interpretation of intramodal and intermodal four-wave mixing processes. |
| title | High-gain far-detuned nonlinear frequency conversion in optical fibers: intramodal vs. intermodal processes |
| topic | Optics |
| url | https://arxiv.org/abs/2405.01436 |