Investigations on the wavelength dependence of optically induced long-period Bragg gratings |
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Authors: | M. Sch?ferling N. Andermahr C. Fallnich |
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Affiliation: | 1. Institute of Applied Physics, Westf?lische Wilhelms-Universit?t M??nster, Corrensstr. 2, 48149, M??nster, Germany
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Abstract: | We numerically analyze the conversion of transverse modes with optically induced long-period Bragg gratings. These gratings are generated by a recently developed technique which uses a writing beam guided within the fiber to introduce a transient grating via the optical Kerr effect. We demonstrate several settings for conversion between different transverse modes, including conversion over a broad spectral range of up to 60?nm. The tunability of the grating parameters could promote novel applications. |
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