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Bragg gratings in sub-wavelength chalcogenide wires

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Abstract

We report the photo-inscription of Bragg gratings in chalcogenide (As2Se3) fibers tapered down to 1 μm. A transmission dip of <−30 dB at a wavelength of 1573 nm is achieved after 9 minutes of exposure time with 633 nm light.

© 2011 Optical Society of America

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