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Superlattices and Microstructures

Nanoelectronic implementations of reversible and quantum logic

S. Bandyopadhyay, Alexander A. Balandin, Vwani Roychowdhury, Farrokh Vatan

Published Mar 1, 1998• 38 citations
Publisher
DOI
10.1006/spmi.1997.0562

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Quantum gates which are represented by unitary matrices have potentials to implement reversible logic circuits. V and V+gates are two well known quantum gates which are used to synthesize the reversible logic circuits. In this paper we have used behavioral description of these gates, instead of unitary matrix description, to synthesize reversible logic circuits. By this method, V and V+gates are shown in the truth table form. Results show that bigger circuits with more number of gates can be synthesized using proposed method. Some benchmarks of reversible logic circuits are also optimized and compared to other works.
Increasing miniaturization and demand of low power electronics is highly motivating research on reversible logic. Reversible logic has attracted signification attention in fields of Low power VLSI design, computer graphics, quantum computing and communication. A lot of work has been done on synthesis and optimization of reversible circuits followed by quantitative analysis on various optimization metrics like ancillary inputs, garbage outputs and quantum cost. It is therefore obvious to present a quick guide on reversible logic implementation to bridge gap between theory and implementation. Taxonomy diagrams of work done in reversible logic domain are also presented to give a quick review of all about reversible logic. Quantum realization of popular reversible Fredkin gates using RCViewer tool is also presented which will be stepping stone for a new researcher to synthesize and optimize any complex reversible logic based circuit.