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Propagation of short pulses in an active nonlinear two-core optical fiber

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3 Author(s)
Min Liu ; Network Technol. Res. Centre, Nanyang Technol. Univ., Singapore ; Kin Seng Chiang ; Ping Shum

The switching dynamics of short pulses in an active nonlinear two-core fiber coupler is investigated theoretically. The analysis takes into account the effects of coupling-coefficient dispersion, gain bandwidth, and gain saturation. In particular, we demonstrate that the pulse breakup effect due to coupling-coefficient dispersion can be suppressed by limiting the bandwidth of the linear gain, whether gain saturation is considered or not.

Published in:

IEEE Journal of Quantum Electronics  (Volume:40 ,  Issue: 11 )