Reversible ripple carry adder using the electro-optic effect of lithium-niobate based Mach-Zehnder interferometer

In the present scenario, reversible logic design is receiving great attention due to its abilities in reducing the power dissipation, increasing the processing speed and accommodating higher densities in integrated circuits. There is a one-to-one mapping between inputs and outputs, due to which there is no loss of information. Many researchers have shown their interest in implementing reversible logic gates in optical domain using semiconductor optical amplifier (SOA). But, SOA has a major limitation of gain saturation, which they have not taken into account. In this paper, an n-bit reversible ripple carry adder using the electro-optic effect of lithium niobate based Mach-Zehnder Interferometer structure is proposed, which overcome the above mentioned limitation.

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