Thin-film channel waveguide electro-optic modulator in epitaxial BaTiO3

D. M. Gill; C. W. Conrad; G. Ford; B. W. Wessels; S. T. Ho

doi:10.1063/1.119397

Thin-film channel waveguide electro-optic modulator in epitaxial BaTiO₃

D. M. Gill^*, C. W. Conrad, G. Ford, B. W. Wessels, S. T. Ho

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

144 Scopus citations

Abstract

We report on a thin-film channel waveguide electro-optic modulator fabricated in epitaxial BaTiO₃ on MgO. Films had an effective dc electro-optic coefficient of r_eff∼50±5 pm/V and r_eff∼28±2 pm/V at 5 MHz for λ∼1.55 μm light. Extinction ratios of 14 dB were obtained. The electro-optic effect decreases to ∼60% of the dc value at 1 Hz, 50% of the dc value at 20 kHz, and ∼37% of the dc value at 5 MHz.

Original language	English (US)
Pages (from-to)	1783-1785
Number of pages	3
Journal	Applied Physics Letters
Volume	71
Issue number	13
DOIs	https://doi.org/10.1063/1.119397
State	Published - Sep 29 1997

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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abstract = "We report on a thin-film channel waveguide electro-optic modulator fabricated in epitaxial BaTiO3 on MgO. Films had an effective dc electro-optic coefficient of reff∼50±5 pm/V and reff∼28±2 pm/V at 5 MHz for λ∼1.55 μm light. Extinction ratios of 14 dB were obtained. The electro-optic effect decreases to ∼60% of the dc value at 1 Hz, 50% of the dc value at 20 kHz, and ∼37% of the dc value at 5 MHz.",

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AU - Gill, D. M.

AU - Conrad, C. W.

AU - Ford, G.

AU - Wessels, B. W.

AU - Ho, S. T.

PY - 1997/9/29

Y1 - 1997/9/29

N2 - We report on a thin-film channel waveguide electro-optic modulator fabricated in epitaxial BaTiO3 on MgO. Films had an effective dc electro-optic coefficient of reff∼50±5 pm/V and reff∼28±2 pm/V at 5 MHz for λ∼1.55 μm light. Extinction ratios of 14 dB were obtained. The electro-optic effect decreases to ∼60% of the dc value at 1 Hz, 50% of the dc value at 20 kHz, and ∼37% of the dc value at 5 MHz.

AB - We report on a thin-film channel waveguide electro-optic modulator fabricated in epitaxial BaTiO3 on MgO. Films had an effective dc electro-optic coefficient of reff∼50±5 pm/V and reff∼28±2 pm/V at 5 MHz for λ∼1.55 μm light. Extinction ratios of 14 dB were obtained. The electro-optic effect decreases to ∼60% of the dc value at 1 Hz, 50% of the dc value at 20 kHz, and ∼37% of the dc value at 5 MHz.

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JO - Applied Physics Letters

JF - Applied Physics Letters

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Thin-film channel waveguide electro-optic modulator in epitaxial BaTiO₃

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