Self-induced polarization changes in birefringent optical fibers

Winful, Herbert G.
August 1985
Applied Physics Letters;8/1/1985, Vol. 47 Issue 3, p213
Academic Journal
Exact solutions are presented for the intensity-dependent polarization state of a light wave in a birefringent optical fiber. The theory takes into account both the linear polarization evolution and the nonlinear ellipse rotation. It is shown that, contrary to current belief, self-induced polarization changes are possible even with equal excitation of the fiber's principal axes. The theory is applicable to the operation of recently demonstrated fiber-optic logic gates, pulse shapers, and intensity discriminators.


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