CONTRIBUTION TO THE MATHEMATICAL MODELING OF PARAMETERS INFLUENCING PHASE MASKS FOR IMPROVING THE PERFORMANCE OF BRAGG GRATINGS IN OPTICAL FIBER

Telecommunication

The ever-increasing demand for data quantity in telecommunications is pushing optical fiber technology to its limits. Improving the plane Bragg grating formula is the first step in this study. Then the objective is to find all the parameters affecting the optical performance of the phase masks, and consequently, of the Bragg gratings on optical fibers. This directed us to 4 results of parameters to survey: the length L of the grating, the difference in refractive index between the exposed and non-exposed part of the Bragg grating on optical fiber, the delay time and bandwidth of chirped networks and the apodization functions. Thus, the study of each of these parameters allowed us to minimize and even effectively eliminate the oscillations in the delay time. Removing oscillations is one of the basic points for improving the Bragg grating which is the goal of our study.

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