ELECTRO-OPTIC EFFECTS OF La-MODIFIED PMN-PT THIN FILMS FOR WAVEGUIDE APPLICATIONS
Lanthanum-modified lead magnesium niobate titanate (PLMNT) thin films were fabricated on glass, silicon and sapphire substrates successfully via a chemical solution deposition process. The PLMNT thin films exhibited large electro-optic (EO) coefficients with La concentrations between 2.0-2.5 mol%. The largest EO coefficient was measured in a PLMNT thin film about 1 m thick deposited on r-cut sapphire substrate. The effective EO coefficient r31 measured at 532 nm was as large as 1079 pm/V.
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Document Type: Research Article
Affiliations: Boston Applied Technologies, Inc., Woburn, Massachusetts, USA
Publication date: 2008-01-01