Optical planar waveguides have been fabricated by the titanium in-diusion process in lithium niobate crystals activated with erbiumions. The waveguides were studied by m-line technique in order to recover the index profile. The eect of the Ti in-diusion on the structuraland spectroscopic properties of the lithium niobate crystals was investigated by Raman and photoluminescence spectroscopies. Thepresence of titanium has only minor eects on the vibrational properties of the crystal, and no change in the emission properties of theerbium ions is observed.
Characterization of erbium doped lithium niobate crystals and waveguides
S Berneschi;M Brenci;R Calzolai;A Chiasera;M Ferrari;S Pelli;
2006
Abstract
Optical planar waveguides have been fabricated by the titanium in-diusion process in lithium niobate crystals activated with erbiumions. The waveguides were studied by m-line technique in order to recover the index profile. The eect of the Ti in-diusion on the structuraland spectroscopic properties of the lithium niobate crystals was investigated by Raman and photoluminescence spectroscopies. Thepresence of titanium has only minor eects on the vibrational properties of the crystal, and no change in the emission properties of theerbium ions is observed.File in questo prodotto:
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Descrizione: Characterization of erbium doped lithium niobate crystals and waveguides
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