Abstract

Recent years, nanostructured optical fibers have been achieved by incorporating dielectric (ZrO₂ [1], MgO [2]), ceramic (YAG, Y₂O₃ [3]), semi-conductor (SnO₂ [4]) or metallic (Au, Cu [5]]) nanoparticles, or quantum dots [6] in an amorphous silica matrix. They are realized by solution doping coupled to the Modified Chemical Vapor Deposition technique [7], or by powder in tube [4] or “inverse dip-coating” either [1] and demonstrate a great potential for laser development when they are doped by rare earth (RE) ions [7].

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