M. Veith et al., PROPAGATION AND DEFLECTION OF GUIDED MODES IN PLANAR WAVE-GUIDES VIA GRATING ROTATION, Applied physics. B, Lasers and optics, 60(1), 1995, pp. 1-4
Propagation and deflection of guided modes in a polymer slab waveguide
is studied. Rotation of the grating structure with respect to the pla
ne of incidence deflects the waveguide modes in the plane of the sampl
e so that the propagation direction is no longer perpendicular to the
grating grooves. The deflection angles are measured as a function of t
he grating rotation angle and the experimental results are compared wi
th theoretically expected values. The difference in polarization behav
iour between waveguide and plasmon surface polarition grating rotation
coupling is shown.