ADIABATIC METHOD FOR FIBRES WITH NONSEPARABLE INDEX PROFILES

Jacques Arnaud, A. Barthelemy 

Electronics Letters, Volume 16, Issue 5, 28 February 1980, pp. 193 – 195

ABSTRACT

A new powerful numerical technique is proposed that quickly gives the propagation constants, group velocities and caustics of modes with specified numbers in multimode fibres of arbitrary 2-dimensional index profiles. This method is based on the adiabatic approximation of ray optics.

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