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Frequency encoded data based optical full adder using reversible Toffoli gates

机译:使用可逆Toffoli门的基于频率编码数据的光学全加器

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In WDM communication based networks the processors have to deal with large number of data. It is seen that the data loss becomes significant when the conventional logic gates have been used as the building block of the processors. The reversible logic gates already have established its utility due to its low power consumption and less hardware complexity. In case of reversible logic gate, inputs are directly mapped to outputs after performing some logic functions. As the inputs of the reversible gate can be uniquely recovered from the outputs, power loss is ideally zero. Toffoli gate, invented by Tommaso Toffoli is one of the most common universal reversible logic gates. It is a three-input-three-output reversible logic gate. In this article, authors have proposed a new technique of designing optical Toffoli gate, and subsequently propose a method of developing an optical full adder with the help of Toffoli gates. For this purpose the authors have deployed the polarization switching characteristic of semiconductor optical amplifier (SOA). The authors have exploited frequency encoded data due to the inherent identity. The proposed optical frequency encoded full adder will be a key component of an optical reversible Arithmetic Logic Unit (ALU), or any other reversible optical computing. Simulation results of the Toffoli gate based on theoretical model PSW show the feasibility of the of the proposed scheme.
机译:在基于WDM通信的网络中,处理器必须处理大量数据。可以看出,当传统的逻辑门已被用作处理器的构建块时,数据丢失就变得很明显。可逆逻辑门因其低功耗和较低的硬件复杂性而已经确立了其实用性。对于可逆逻辑门,执行某些逻辑功能后,输入将直接映射到输出。由于可逆门的输入可以从输出中唯一恢复,因此理想的功率损耗为零。由Tommaso Toffoli发明的Toffoli门是最常见的通用可逆逻辑门之一。它是一个三输入三输出可逆逻辑门。在本文中,作者提出了一种设计光Toffoli门的新技术,随后提出了一种在Toffoli门的帮助下开发光全加法器的方法。为此,作者采用了半导体光放大器(SOA)的偏振开关特性。由于固有的身份,作者已经利用了频率编码数据。拟议的光频率编码全加器将是光可逆算术逻辑单元(ALU)或任何其他可逆光计算的关键组件。基于理论模型PSW的Toffoli门的仿真结果表明了该方案的可行性。

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