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Implementation of All-Optical Logic Gate using SOA-MZI Structures

Santosh Kumar, Ajay Kumar, S. K. Raghuwanshi



Semiconductor optical amplifiers (SOAs) are very attractive nonlinear elements for the realization of different logic functions, since they can exhibit a strong change of the refractive index together with high gain. In this paper, a principle of operation, simulation step and experimental result of different all-optical logic gate (AND Gate, OR Gate, XOR Gate) are well presented. These gates are based on the nonlinearities on SOAs. The experimental results are exactly matched with standard results.

Keywords: Mach-Zehnder interferometer (MZI), semiconductor optical amplifier (SOA), all-optical logic gate

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