R. Geen

Optical bistability and switching in nonresonant GaAs:Cr self-electrooptic effect devices.

H. Thienpont, F. Forsmann, D. Jager, 1988, Applied optics.

Magnetooptical, electrooptical and photoelastic effects in an elastic polarizable and magnetizable isotropic continuum

P. Boulanger, R. V. Geen, G. Mayne, 1973 .

Extending the effective index method for arbitrarily shaped inhomogeneous optical waveguides

H. Thienpont, K. V. D. Velde, R. V. Geen, 1988 .