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      • Open Access Article

        1 - Synthesis and Implementation of Reversible Circuits Using all-optical Switch of Mach-Zehnder Switch (MZI)
        yasser Sohrabi M. hooshmand Mohammad boloukian Maryam Moosavi
        VLSI technology is currently dealing with a serious challenge, as the exponential growth of density in VLSI and CMOS chips has reached its limit. Power dissipation in VLSI chip refers to heat generation, which is a real barrier against traditional CMOS technology. Irrev More
        VLSI technology is currently dealing with a serious challenge, as the exponential growth of density in VLSI and CMOS chips has reached its limit. Power dissipation in VLSI chip refers to heat generation, which is a real barrier against traditional CMOS technology. Irreversible logic leads to problems such as energy dissipation, heat generation, information loss and slow computations. We need a new technology for solving these problems. Using reversible logic can help solve this problem. In next generation of optical computers, electrical circuits and wires will be replaced by several optical fibers and these systems will be more efficient because they will be cheaper, lighter, and more compact without interference. Based on optical computations, several optical switches have been proposed for future applications. One of these switches is the Mach-Zehnder switch. Its behavior and the reversible circuits, which can be made with this switch is studied in this article. Finally, we introduce and design three new all-optical reversible gates named NFT, SRK and MPG, which are effective in designing all-optical reversible logical circuits such as flip-flops and other all-optical reversible sequential circuits. We also simulate one all-optical reversible circuits implemented with Mach-Zehnder switch and provide simulation challenges and solutions to overcome these challenges. Manuscript profile