K. Weiser
Physical Review
We report on a direct measurement of the electro-optic effect in amorphous hydrogenated silicon based waveguides. The observed phase modulation with an applied voltage shows evidence of a threshold voltage below which the electro-optic effect is weak. At high voltages the electro-optic phase modulation is nonquadratic and significantly enhanced with respect to the bulk effect in amorphous silicon. These results are explained in terms of a model which considers inhomogeneous electric fields within the silicon layer due to voltage dependent space charges.
K. Weiser
Physical Review
K. Weiser
Journal of Non-Crystalline Solids
M. Zelikson, K. Weiser, et al.
Applied Physics Letters
D. Mistele, O. Katz, et al.
Semiconductor Science and Technology