a Key Laboratory of Tropical Marine Environmental Dynamics, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China; b The Key Laboratory of Weak Light Nonlinear Photonics (Nankai University, Tianjin 300457), Ministry of Education, China; c Department of Physics, Dezhou University, Shandong 253023, China; d Department of Electrical Engineering and Computer Science, Syracuse University, Syracuse, NY 13224-1240, USA
Abstract Using a special property of dynamic complementary-suppression-modulated transmission (DCSMT) in the bacteriorhodopsin (bR) film, we have demonstrated an all-optical time-delay relay. To extend our work, the relationship between the delay time of the all-optical time-delay relay and parameters of a bR film is numerically studied. We show how the delay time changes with the product of concentration and thickness (PCT) of a bR film. Furthermore, the shortest and longest delay times are given for the relay of `switch off'. The saturable delay time and maximum delay-time of `switch on' are also given. How the wavelengths (632.8, 568, 533 and 412 nm) and intensities of the illuminating light influence the delay time is also discussed. The simulation results are useful for optimizing the design of all-optical time-delay relays.
Received: 01 November 2007
Revised: 30 May 2008
Accepted manuscript online:
Fund: Project supported by the National
Natural Science Foundation of China
(Grant Nos 10774152, and 60578020), the Natural Science Foundation of
Shangdong Province, China (Grant No Y2006A01), and the Key Laboratory of
Weak Light Nonlinear Photonics.
Cite this article:
Chen Gui-Ying (陈桂英), Xu Xu-Xu (许旭旭), Zhang Chun-Ping (张春平), Qi Shen-Wen (祁胜文), Song Qi-Wang (宋奇望) An all-optical time-delay relay based on a bacteriorhodopsin film 2008 Chin. Phys. B 17 4218
[1]
All-optical logic-gates based on bacteriorhodopsin film Chen Gui-Ying (陈桂英), Zhang Chun-Ping (张春平), Guo Zong-Xia (郭宗霞), Tian Jian-Guo (田建国), Zhang Guang-Yin (张光寅), Song Qi-Wang (宋奇望). Chin. Phys. B, 2005, 14(4): 774-778.
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