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In-Fiber All-Optical Fractional Differentiator Using an Asymmetrical Moiré Fiber Grating
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In-Fiber All-Optical Fractional Differentiator Using an Asymmetrical Moiré Fiber Grating
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| dc.contributor.author | Tendela, Lucas | |
| dc.contributor.author | Cuadrado-Laborde, Christian | |
| dc.contributor.author | Andrés, Miguel V. | |
| dc.date.accessioned | 2023-05-22T16:32:05Z | |
| dc.date.available | 2023-05-22T16:32:05Z | |
| dc.date.issued | 2023 | |
| dc.identifier.citation | Tendela, Lucas Cuadrado-Laborde, Christian Andrés, Miguel V. 2023 In-Fiber All-Optical Fractional Differentiator Using an Asymmetrical Moiré Fiber Grating Fractal And Fractional 7 4 291 | |
| dc.identifier.uri | https://hdl.handle.net/10550/86827 | |
| dc.description.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. | |
| dc.language.iso | eng | |
| dc.relation.ispartof | Fractal And Fractional, 2023, vol. 7, num. 4, p. 291 | |
| dc.subject | Ciència dels materials | |
| dc.title | In-Fiber All-Optical Fractional Differentiator Using an Asymmetrical Moiré Fiber Grating | |
| dc.type | journal article | |
| dc.date.updated | 2023-05-22T16:32:06Z | |
| dc.identifier.doi | 10.3390/fractalfract7040291 | |
| dc.identifier.idgrec | 158922 | |
| dc.rights.accessRights | open access |
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