Implementation of an optical AND gate using Mach-Zehnder interferometers

The optical switching phenomena have been contemplated and the Mach-Zehnder interferometer (MZI) structure is used for the implementation of the optical AND gate. The cogitation of various factors such as crosstalk, extinction ratio, power imbalance and transition loss has been presented. The contemplation is carried out by simulating the proposed device with Beam propagation method and using the observed results to study the characteristics of influencing parameters in consideration with the device parameters.

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