Abstract
Relative intensity noise (RIN) is one of the most important factors limiting performance in fiber optic gyroscopes (FOG). In order to suppress RIN in the superfluorescent fiber source (SFS) of FOG effectively, we propose a semi-physical simulation with SFS signal. The semi-physical simulation is of much practical value and can depict guideline for RIN reduction in SFS. We propose and investigate the technique with intensity modulator for suppression of RIN can reduce RIN while increasing the signal to noise ratio, and this technique is effective in improving the performance of FOG.
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