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The 3rd-order nonlinearity of bacteriorhodopsin by four-wave mixing |
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| Authors: | Yanping Huang Liying Wang Shudi Chen Zugeng Wang Qingguo Li |
| Institution: | (1) Laboratory for Quantum Optics of East China Normal University Physics Department, East China Normal University, 200062 Shanghai, China;(2) Department of Physiology and Biophysics, Fudan University, 200433 Shanghai, China |
| Abstract: | The 3rd-order nonlinear optical susceptibility X(3) and the response time of the light-transducing biomolecule bacteriorhodopsin were measured with the four-wave mixing technique and a picosecond frequency-doubled Nd: YAG laser (532 nm). TheX 3) and the response time measured are 10-9 esu and 20 ps, respectively. The possible mechanism for generating the 3rd-order nonlinear optical susceptibility X(3) and response time were discussed. |
| Keywords: | bacteriorhodopsin 3rd-order nonlinearity four-wave mixing light-transducing biomolecule response time |
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