M. Ferrari,1 C. Armellini,1 S. Berneschi,2 M. Brenci,2 A. Chiappini,3 A. Chiasera,1,4 Y. Jestin,1 M. Mattarelli,3 M. Montagna,3 E. Moser,3 G. Nunzi Contihttps://orcid.org/0000-0002-2239-7622,2 S. Pelli,2 G. C. Righini,2 C. Tosello3
1CNR/Istituto di Fotonica e Nanotecnologie (Italy) 2Nello Carraro Institute of Applied Physics (Italy) 3Univ. di Trento (Italy) 4Enrico Fermi Ctr. (Italy)
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Since the discovery of optical fibers, the possibility to develop optically confined structures has opened new possibilities for making novel optical components. Rare earth-activated confined structures thus offer interesting solutions for this end. A growing activity in this field is aimed at the development of optical amplifiers in planar form based on rare-earthactivated glasses to provide devices such as lossless splitters, which can find applications in the metropolitan and local area networks. A further development to enhance the spectroscopic properties is achieved by rare-earth co-activated nanocomposite materials, also in planar format. The aim of this paper is to give a review concerning the advances in glass-based photonic systems, where light confinement or the presence of nanostructured hosts for the rare-earth induces an enhancement and a control of the optical and/or spectroscopic properties.
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M. Ferrari, C. Armellini, S. Berneschi, M. Brenci, A. Chiappini, A. Chiasera, Y. Jestin, M. Mattarelli, M. Montagna, E. Moser, G. Nunzi Conti, S. Pelli, G. C. Righini, C. Tosello, "Homogeneous and nanocomposite rare-earth-activated glasses for photonic devices," Proc. SPIE 6183, Integrated Optics, Silicon Photonics, and Photonic Integrated Circuits, 61830P (20 April 2006); https://doi.org/10.1117/12.664586