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  • Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides
  • OSA Trends in Optics and Photonics Series (Optica Publishing Group, 1999),
  • paper AA2
  • https://doi.org/10.1364/BGPP.1999.AA2

Grating-frustrated coupler in a dissimilar two-core fiber

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Abstract

We present experimental results on the use of a dissimilar two-core fiber as a channel-dropping filter based on the principle of a grating-frustrated coupler. We demonstrate that UV-trimming can be performed to obtain a perfect restoration of coupling between the cores over more than 20nm. We also show how an intra-core Bragg grating can be inscribed in one of the cores while maintaining 100% coupling.

© 1999 Optical Society of America

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