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ELECTRO-OPTIC EFFECTS OF La-MODIFIED PMN-PT THIN FILMS FOR WAVEGUIDE APPLICATIONS

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Abstract:

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.

Keywords: PMN-PT; chemical solution deposition; electro-optic; thin films; waveguide

Document Type: Research Article

DOI: http://dx.doi.org/10.1080/10584580802540496

Affiliations: Boston Applied Technologies, Inc., Woburn, Massachusetts, USA

Publication date: January 1, 2008

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tandf/ginf/2008/00000100/00000001/art00011
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