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    • 9. 发明授权
    • DNA 기반 나노구조체를 이용한 광 논리 회로 및 논리 신호 생성 방법
    • 光学逻辑门和使用基于DNA的纳米结构生成逻辑信号的方法
    • KR101492047B1
    • 2015-02-10
    • KR1020130136279
    • 2013-11-11
    • 한국과학기술연구원
    • 김철기김재헌박병호이석전성찬이택진
    • G02F3/00G02F1/00
    • G02F3/00B82Y10/00B82Y20/00G02B27/286G02F2202/36G02F2203/07Y10S977/941
    • The present invention relates to an optical logic circuit and a method for generating logic signals using a DNA-based nanostructure. The optical logic circuit includes: a DNA-based nanostructure including a DNA and a metal nanoparticle coupled with the DNA, and to rotate a polarized surface of incident light; a polarizer which receives light transmitted through the DNA-based nanostructure, and extracts a component of a predetermined reference axis direction from light in which the polarized surface is rotated by the DNA-based nanostructure; and a detector which receives the light transmitted through the polarizer and generates a logic signal based on a comparison result of a size of a component of the reference axis direction extracted from the polarizer with a predetermined threshold value. The optical logic circuit is implemented based on a rotating characteristic of a polarized surface of the DNA-based nanostructure and may perform optical logic calculation using light having weak intensity. An advantage of optical calculation having rapid information process may be implemented so that a low power information processing technology advantageous for an energy user efficiency side is expected.Further, circuit elements may be designed to have a very small size of 10-9 m to represent excellent miniaturization and integration.
    • 本发明涉及一种使用基于DNA的纳米结构产生逻辑信号的光逻辑电路和方法。 光学逻辑电路包括:DNA基纳米结构,包括与DNA偶联的DNA和金属纳米颗粒,并旋转入射光的偏振面; 接收透过所述DNA系纳米结构的光的偏振片,从由所述DNA系纳米结构使所述偏光面旋转的光中提取预定的基准轴方向的成分; 以及检测器,其接收通过偏振器透射的光,并且基于从偏振器提取的参考轴方向的分量的尺寸与预定阈值的比较结果产生逻辑信号。 光逻辑电路基于DNA基纳米结构的极化表面的旋转特性实现,并且可以使用具有弱强度的光进行光学逻辑计算。 可以实现具有快速信息处理的光学计算的优点,使得对于能量用户效率侧有利的低功率信息处理技术是可以预期的。此外,电路元件可以被设计为具有10-9m的非常小的尺寸以表示 出色的小型化和集成度。