We report the realization of a one-dimensional photonic crystal consisting of alternating layers of metal nanocomposite and polymer layers. The structure shows a large change in the width of the reflection band due to the interplay between the plasmon resonance of the metal nanoparticle and the Bloch modes of the photonic crystal. The width of the reflection band is found to increase by 200percent when the photonic band edge approaches the plasmon resonance of the silver nanoparticles.
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