Thin Film Ferroelectrics for Guided Wave Devices
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- Wessels, B.W. J Electroceram (2004) 13: 135. doi:10.1007/s10832-004-5089-8
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Thin film ferroelectrics are being developed for guided wave optical devices. Of particular interest is BaTiO3 because of its high electro-optic coefficient. Epitaxial thin films have been deposited by metalorganic chemical vapor deposition that are suitable for electro-optic devices. Thin film electro-optic modulators have been fabricated and their optical properties characterized. Factors that determine the ultimate bandwidth of these devices are discussed.