Abstract
Most of the electrooptic guided-wave devices in lithium niobate utilise the r33 electrooptic coefficient. The devices made by using proton exchange (PE) process have indicated that their experimental efficiency is lower than that of devices based on “standard” waveguides produces by Ti-indiffusion. The most probable reason is that there may be a degradation of the electrooptic properties during the fabrication process. Although some measurements of r33 in PE layers were already performed [1,2], the data obtaned are far from complete understanding.
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References
Loni, A. (1987) An experimental study of proton-exchanged litthium niobate optical waveguides, Ph.D. Thesis, University of Glasgow.
Yuhara, T., Tada, K., and Li, Y. (1992) Anomalous refractive index change and recovery of electro-optic coefficient r33 in proton-exchanged LiTaO3 optical wave-guides after annealing, J. Appl. Phys. 71, 52–60
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© 1995 Springer Science+Business Media Dordrecht
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Savatinova, I., Tonchev, S., Armenise, M.N. (1995). Electrooptic Effect in Proton Exchanged LiNbO3 Waveguides. In: Balkanski, M., Yanchev, I. (eds) Fabrication, Properties and Applications of Low-Dimensional Semiconductors. NATO ASI Series, vol 3. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-0089-2_24
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DOI: https://doi.org/10.1007/978-94-011-0089-2_24
Publisher Name: Springer, Dordrecht
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