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Integrated optic electrooptic modulator electrode analysis

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1 Author(s)
Ramer, O.G. ; Hughes Research Laboratories, Malibu, CA, USA

Integrated optical (IO) switches and modulators are based on the electrooptic effect obtained by applying a voltage between electrodes fabricated on the surface of a crystal (for example, LiNbO3). In this paper, we calculate the change in the optical propagation constant in single mode Z -cut LiNbO3:Ti-diffused waveguides for a variety of electrode configurations. These calculations are compared to experimental data from IO devices. The calculations predict the observed variations in switching voltage with wavelength and electrode separation.

Published in:

Quantum Electronics, IEEE Journal of  (Volume:18 ,  Issue: 3 )