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Formulation of time-domain algorithm for fiber Bragg grating simulation and reconstruction

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2 Author(s)
Liang Dong ; Opt. Fiber Lab., Ecole Polytech. de Montreal, Que., Canada ; Fortier, S.

A time-domain algorithm for fiber Bragg grating simulation is formulated. It provides a time-domain equivalent to the well-known spectral-domain transfer matrix algorithm for fiber Bragg grating simulation, and allows much more accurate impulse response to be simulated directly from a known fiber Bragg grating. Two different time-domain grating reconstruction algorithms are formulated, which are much more accurate and efficient than their spectral-domain equivalents due to their intrinsic infinite spectral representation and truly one-dimensional nature. Error studies are also conducted for the time-domain grating reconstruction algorithms. The high accuracy and efficiency of the new time-domain algorithms are well demonstrated with several simulation, reconstruction, and design examples.

Published in:

Quantum Electronics, IEEE Journal of  (Volume:40 ,  Issue: 8 )