Abstract
We compare regular features of propagation of one- and two-dimensional light beams in an optically active photorefractive crystal placed in an external electric field. We show that there exist ranges of the crystal thickness in which the optical activity can lead to an increase in the relative intensity of either beam. We have found that, taking into account the optical activity, an optimal orientation angle at which a maximal self-focusing of light beams is observed differs from commonly used values of 35.3° and 90° for the x and y polarized beams, respectively.
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