Strong photoinduced Bragg gratings in arsenic selenide optical fibre using transverse holographic method
Brawley, G.A.; Taapos;eed, V.G.; Bolger, J.A.; Sanghera, J.S.; Aggarwal, I.; Eggleton, B.J.
Electronics Letters
Volume 44, Issue 14, July 3 2008 Page(s):846 - 847
Digital Object Identifier   10.1049/el:20080784
Summary:Fabrication of strong fibre Bragg gratings in singlemode arsenic selenide (As₂Se₃) fibre for use at telecom wavelengths by the transverse holographic method is reported. Photoinduced decrease in the material refractive index was achieved using low-intensity CW illumination at a wavelength of 785 nm. A peak grating strength of 23.7 dB is seen, with inferred change in the average refractive index as large as 4.7 times 10^-3.

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