三值光计算机百位量级解码器的设计  

Design of Hundred-Bit Decoder for Ternary Optical Computer

作　　者：左开中[1,2] 金翊[1] 彭俊杰[1] 薛涛[1] 

机构地区：[1]上海大学计算机工程与科学学院,上海200072 [2]安徽师范大学数学计算机科学学院,安徽芜湖241000

出　　处：《中国激光》2009年第4期823-827,共5页Chinese Journal of Lasers

基　　金：国家自然科学基金(60473008);安徽省高等学校青年教师科研资助计划项目(2007jql062);上海市重点学科建设项目(J50103)资助课题

摘　　要：提出了一种用半反半透平面镜、检偏器、微透镜阵列、二维并行光电二极管阵列探测器、SRAM存储器阵列和嵌入式系统构建三值光学解码器的方法,实现将三值光学运算器的运算结果从二维线偏振光信号并行转换为三值电信号。以CMOS图像传感器和32位嵌入式系统为核心设计并实现了百位量级三值光学解码器的模拟装置,对三值逻辑光学运算器的输出结果进行了解码实验,结果表明,解码准确率达到100%,可处理的数据宽度达到128位以上,且易扩展到千位和万位量级。同已有光计算实验系统的解码装置相比,其最大的优点是,高数据宽度、可编程性、可控制性和高扩展性。Abstract In order to transform 2D tri-state light signals to electronic signals, a new method applied to implement ternary optical decoder is presented, and the decoder consists of a semi-transparent mirror, orthogonal polarizers, micro-lens arrays, photodiode detector arrays, 2D SRAM arrays and an embedded system. A simulation device of the decoder was designed and fabricated based on a commercial CMOS image sensor and a 32-bit embedded CPU. Experimental results, decoding to the output of ternary logic optical operation unit, show that the accuracy is 100 % ; the data width is 128 bits and can easily be extended to kilobits and myriabits. Compared with other similar researches, it has the advantages of high data width, programmability, controllability and well scalability.

关 键 词：信息光学 三值光计算机 解码器 光电二极管阵列探测器 

分 类 号：TP301[自动化与计算机技术—计算机系统结构]