Multimode interference optical pulse power splitter for 1.053-μm wavelength

Multimode interference optical pulse power splitters for 1.053μm wavelength have been designed in this paper. The guided mode propagation analysis method is used to analyze the working principle of MMI power splitter. We designed the power splitters base on the analysis. Then finite difference beam propagation method (FDBPM) was used to analyze the splitting performance of the devices. At last, we analyzed the temporal performance of the device (such as pulse broaden) working for optical pulse input with the Finite Difference Time Domain (FDTD) method. The dispersion properties for ultra short 1.053μm optical pulses input were analyzed.

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