Abstract In this paper the design and analysis of two dimensional photonic crystals based all optical AND logic gate is investigated. A logic gate implements a Boolean function and thus performs a logical operation on one or several logic inputs in order to produce a single logic input. The proposed all optical AND gate is designed with line and point defect using a hexagonal lattice with “Y” shaped defect. In order to meet the requirements for high speed networks the proposed gate designed. The functional parameters such as contrast ratio, bit rate, normalized efficiency and response time are calculated. The performance of the AND gate is analyzed by using the Finite Difference Time Domain method. The proposed logic gate is designed to operate at 1550 nm. It provides high contrast ratio and minimum delay time. Hence it is suitable for optical sensors and optical integrated circuits.

中文翻译：

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基于二维光子晶体的二/三输入全光与门研究

摘要 本文研究了基于全光与逻辑门的二维光子晶体的设计与分析。逻辑门实现布尔函数，因此对一个或多个逻辑输入执行逻辑运算以产生单个逻辑输入。所提出的全光与门设计为具有线和点缺陷，使用具有“Y”形缺陷的六边形晶格。为了满足高速网络的要求，建议门设计。计算对比度、比特率、归一化效率和响应时间等功能参数。使用有限差分时域方法分析与门的性能。建议的逻辑门设计为在 1550 nm 下运行。它提供高对比度和最小延迟时间。