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Título : | In fiber all optical fractional differentiator using an asymmetrical moiré fiber grating | Autor : | Tendela, Lucas P. Cuadrado-Laborde, Christian Andrés, Miguel V. |
Palabras clave : | FIBRA OPTICA; DISPOSITIVOS OPTICOS; PROCESAMIENTO DE LA INFORMACION | Fecha de publicación : | 2023 | Editorial : | MDPI | Cita : | Tendela, L. P., Cuadrado-Laborde, C., Andrés, M. V. In fiber all optical fractional differentiator using an asymmetrical moiré fiber grating [en línea]. Fractal and Fractional. 2023, 7 (4). doi: 10.3390/fractalfract7040291. Disponible en: https://repositorio.uca.edu.ar/handle/123456789/16155 | Resumen : | Abstract: In this work, it is demonstrated numerically that an asymmetric Moiré fiber grating operated in reflection can provide the required spectral response to implement an all-optical fractional differentiator. In our case, the accumulated phase shift is not associated with a point phase shift, as when working with fiber Bragg gratings and long-period gratings with punctual defects, but is distributed all over the grating. The proposed device is supported by numerical simulations, and a dimensionless deviation factor is calculated to make quantitative analysis feasible. The performance of the proposed device is analyzed using numerical simulations by computing the fractional time derivatives of the complex field of an arbitrary transform-limited Gaussian pulse. A comparison with the performance given by theoretical differentiation is also presented. | URI : | https://repositorio.uca.edu.ar/handle/123456789/16155 | ISSN : | 2504-3110 (online) | Disciplina: | INGENIERIA INDUSTRIAL | DOI: | 10.3390/fractalfract7040291 | Derechos: | Acceso abierto |
Appears in Collections: | Artículos |
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fiber-all-optical-fractional.pdf | 4,29 MB | Adobe PDF | View/Open |
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