Handling Polarized Light
نویسنده
چکیده
As we discussed earlier F (x, y) is nearly independent of the things that matter in propagation and we may ignore it in what follows. We also assume that the instantaneous polarization (direction) of ~ E(t, z) is independent of the position inside the beam (namely, it is independent of the x, y coordinates) thereby implying that we are treating the propagating field as a plane wave. This is known to be an excellent approximation in single mode fibers. Let us now arbitrarily define the two orthogonal directions êx and êy. The instantaneous field can then be expressed as 1 J.P. Gordon and H. Kogelnik, ”PMD fundamentals” in Proceedings of Na-
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