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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 34 — Dec. 1, 1998
  • pp: 8147–8149

Activation Energy for Dc-drift in X-cut LiNbO3 Optical Intensity Modulators

Naoki Mitsugi, Kazumasa Kiuchi, and Hirotoshi Nagata  »View Author Affiliations


Applied Optics, Vol. 37, Issue 34, pp. 8147-8149 (1998)
http://dx.doi.org/10.1364/AO.37.008147


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Abstract

Existence of a wafer axial dependency in the activation energy (<i>E</i><sub>a</sub>) for the dc-drift of LiNbO<sub>3</sub> modulators has been experimentally found. The <i>E</i><sub>a</sub> for the x-cut modulators is derived to be 0.2~0.5 eV, and 1 eV for the z-cut ones.

© 1998 Optical Society of America

Citation
Naoki Mitsugi, Kazumasa Kiuchi, and Hirotoshi Nagata, "Activation Energy for Dc-drift in X-cut LiNbO3 Optical Intensity Modulators," Appl. Opt. 37, 8147-8149 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-34-8147


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References

  1. M. Seino et al., "Improvement of dc-drift characteristics in Ti:LiNbO3 modulator," Technical Report IEICE OCS95-66, 55-60 (1995).
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  7. N. Mitsugi and H. Nagata, "Hysterisis in dc bias drift of LiNbO3 optical modulators," Eng. & Lab. Notes in Opt. & Phot. News 7 (8), (1996).
  8. H. Nagata et al., "Improved long-term dc drift in OH-reduced lithium niobate optical intensity modulators," Eng. & Lab. Notes in Opt. & Phot. News 7 (5), (1996).
  9. M. Fontaine et al., "Modeling of titanium diffusion into LiNbO3 using a depth-dependent diffusion coefficient," J. Appl. Phys. 60, 2343-2350 (1986).

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