Optical Fiber Communications 4th Edition by Gerd Keiser

Exercise 9

Elliptically polarized light can be represented by the two orthogonal waves given in Eqs (2.2) and (2.3). Show that elimination of the ( t - kz ) dependence between them yields
which is the equation of an ellipse making an angle with the x axis, where is given by Eq. (2.8).