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An approach to the measurement of the nonlinear refractive index of very short lengths of optical fibers

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Valencià Castellano

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An approach to the measurement of the nonlinear refractive index of very short lengths of optical fibers

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Rivera-Pérez, E.; Carrascosa, A.; Díez Cremades, Antonio; Alcusa-Sáez, E. P.; Andrés, Miguel V.

Aquest document és un/a article, creat/da en: 2018

A method for the measurement of the nonlinear-refractive index coefficient in single-mode optical fibers is presented. It takes advantage of the high sensitivity of the acousto-optic interaction effect in optical fibers to the fiber properties. Direct measurement of the nonlinear-refractive index change resulting from cross-phase modulation between a probe and a pump signal is obtained from the fiber's acousto-optic interaction performance. It is a non-interferometric method in which a very short length of fiber (<0.25 m) is required.

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