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Opt Express. 2011 Jul 4;19(14):13525-30. doi: 10.1364/OE.19.013525.

UV-induced Bragg grating inscription into single-polarization all-solid hybrid microstructured optical fiber.

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Institute of Photonics and Optical Science, School of Physics, University of Sydney, New South Wales, Australia.


We demonstrate a single-polarization all-solid hybrid microstructured optical fiber with a UV-induced Bragg grating. A strong (∼20 dB) UV-induced Bragg grating was inscribed within the 30 nm-wide single-polarization window of the fiber, producing polarized Bragg reflection. The sharp band-edge cutoff allows a large polarization-extinction ratio of the Bragg reflection. The hybrid structure of the fiber enabled minimal UV exposure to the high-index regions and the location of the single-polarization window was maintained after the grating was inscribed.

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