Figure 4

The dependence of the propagation constants of the counter-propagating waveguide modes (CW and CCW) on the off-diagonal element of the dielectric permittivity tensor. The waveguide geometry is the same as on Fig. 3.

The dependence of the propagation constants of the counter-propagating waveguide modes (CW and CCW) on the off-diagonal element of the dielectric permittivity tensor. The waveguide geometry is the same as on Fig. 3.