Photonic fractional Fourier transformer with a single dispersive device
NAGIOS: RODERIC FUNCIONANDO

Photonic fractional Fourier transformer with a single dispersive device

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Photonic fractional Fourier transformer with a single dispersive device

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Cuadrado-Laborde, Christian; Carrascosa, A.; Díez Cremades, Antonio; Cruz Muñoz, José Luis; Andrés, Miguel V. Perfil
This document is a artículoDate2013
In this work we used the temporal analog of spatial Fresnel diffraction to design a temporal fractional Fourier transformer with a single dispersive device, in this way avoiding the use of quadratic phase modulators. We demonstrate that a single dispersive passive device inherently provides the fractional Fourier transform of an incident optical pulse. The relationships linking the fractional Fourier transform order and scaling factor with the dispersion parameters are derived. We first provide some numerical results in order to prove the validity of our proposal, using a fiber Bragg grating as the dispersive device. Next, we experimentally demonstrate the feasibility of this proposal by using a spool of a standard optical fiber as the dispersive device.

    Cuadrado-Laborde, Christian Carrascosa, A. Díez Cremades, Antonio Cruz Muñoz, José Luis Andrés, Miguel V. 2013 Photonic fractional Fourier transformer with a single dispersive device Optics Express 21 7 8558 8563
https://doi.org/10.1364/OE.21.008558

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