Negative controlled Fredkin gate circuits with mirrors

IF 2.5 Q3 QUANTUM SCIENCE & TECHNOLOGY IET Quantum Communication Pub Date : 2021-12-06 DOI:10.1049/qtc2.12030
Tanay Chattopadhyay
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引用次数: 3

Abstract

Data loss is a major problem in conventional circuits. But it cannot happen in reversible circuits. So energy dissipation per bit loss does not happen in this circuit. Also, recovery of input data can be possible in this circuit. Negative controlled Fredkin gate (NCF) is a self-invertible reversible gate. It performs SWAP operation if its control input is logic zero. In this paper, a mechanically controlled mirror-based NCF gate is designed, where the operation is based on the movement of mirrors. To move the mirror from its position electrical signal can be used. Optical signals are used in computational operations. Some complex reversible circuits viz. some logical operations (XOR-XNOR, AND-NAND, OR-NOR), DE-MUX/MUX, switching, and data shifting circuits are also shown in this paper. Quantum realization of the circuit was performed. Also, the matrix calculation was done to find out the operation of the circuit. Optical delay, optical cost, quantum delay, and quantum cost of every proposed design were calculated.

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带镜的负控制弗莱德金栅极电路
数据丢失是传统电路中的一个主要问题。但这在可逆电路中不会发生。所以在这个电路中不会发生每比特损耗的能量耗散。此外,在该电路中可以恢复输入数据。负控弗雷德金门是一种自可逆可逆门。如果控制输入为逻辑零,则执行SWAP操作。本文设计了一种机械控制的基于反射镜的NCF门,其操作基于反射镜的运动。要将镜子从它的位置移动,可以使用电信号。光信号用于计算运算。本文还介绍了一些复杂的可逆电路,即一些逻辑运算(XOR-XNOR、and - nand、OR-NOR)、去MUX/MUX、开关和数据移位电路。对该电路进行了量子化实现。并进行了矩阵计算,了解了电路的工作原理。计算了每种设计方案的光延迟、光成本、量子延迟和量子成本。
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