Experimental study demonstrates temperature and polarization insensitivity in silica waveguide Bragg gratings using polymers, indicating improved optical filter stability.
A new technique based on the use of polymer to drastically decrease the temperature sensitivity of Bragg gratings realised on planar silica waveguides deposited on silicon is proposed. Moreover, this technique suppresses the polarisation dependence of the Bragg filters.
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Bosc et al. (1997) studied this question.
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