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Optical broadband phase devices using axially nonsymmetrical W-type optical fibers

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2 Author(s)
Kishi, N. ; Dept. of Electron. Eng., Univ. of Electro-Commun., Tokyo, Japan ; Yamashita, E.

This paper describes a numerical analysis of axially nonsymmetrical W-type optical fibers as optical-fiber-type broadband phase devices. Using these devices, phase difference between two orthogonal linear polarizations can be kept constant in a broad wavelength range. The propagation characteristics along a circular core with an elliptical cladding structure and an elliptical core with a circular cladding structure are numerically analyzed by the boundary-integral method. Using the numerical results, the performances of various broadband phase devices are theoretically compared

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Lightwave Technology, Journal of  (Volume:16 ,  Issue: 2 )