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http://dx.doi.org/10.3807/KJOP.2002.13.5.414

Realization of optical logic gates using photocycle properties of bacteriorhodopsin  

오세권 (청주대학교 정보기술공학부/레이저광정보공학)
유연석 (청주대학교 정보기술공학부/레이저광정보공학)
Publication Information
Korean Journal of Optics and Photonics / v.13, no.5, 2002 , pp. 414-420 More about this Journal
Abstract
We realized optical logic gates using a bacteriorhodopsin (bR) doped polymer film. The bR undergoes a complex photocycle characterized by several spectroscopically distinct intermediate states. We realized optical logic gates using a He-Ne laser (632.8 nm) and a He-Cd laser (413 nm) that consider B-state and absorption change of M-state in the photocycle of bR. Also, we realized high speed AND logic gate using He-Ne laser (632.8 nm) and the second harmonics at 532 nm from a pulsed Nd-YAG laser that considering absorption spectrum between B-state and K-state.
Keywords
bacteriorhodopsin; optical logic gate; fast AND logic gate;
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