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Realization of optical logic gates using photocycle properties of bacteriorhodopsin

박테리아로돕신의 광순환 특성을 이용한 광학적 논리회로 구현

  • 오세권 (청주대학교 정보기술공학부/레이저광정보공학) ;
  • 유연석 (청주대학교 정보기술공학부/레이저광정보공학)
  • Published : 2002.10.01

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.

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