We investigate higher mode structure of a weakly guiding anisotropic optical fiber, in which the anisotropy axis rotates in a transverse plane with z increasing. The "exact" analytical solution of the vector wave equation for this problem is presented based on the effective reduction of a twisted fiber to a straight one. It is demonstrated that at certain values of the anisotropy pitch l=1 modes of such fibers are almost pure linear optical vortices. Polarization corrections to the propagation constant are found.
"Exact" solution of the problem of a weakly guiding anisotropic twisted fiber
2003-01-01
209051 byte
Conference paper
Electronic Resource
English
"Exact" Solution of the Problem of Weakly Guiding Anisotropic Twisted Fibers
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