Abstract

This paper presents a broadband optical packet generation method by multiplexing low- and high-frequency signals using a bias tee. The cut-off frequency of the bias tee, fc is optimized in terms of the eye-opening ratio for optical packet trains with different guard times and intervals. As a result, the optimal condition is observed to be fGT < fc < f1, and fc should be closer to fGT. (where fGT is the guard frequency and f1 is the high-pass cut-off frequency of a low-frequency amplifier). We implemented optical packet generation using a bias tee based on the simulation results and confirmed the effectiveness of this method.

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