Roy, Sukhdev ; Sharma, Parag ; Dharmadhikari, A. K. ; Mathur, D. (2004) All-optical switching with bacteriorhodopsin Optics Communications, 237 (4-6). pp. 251-256. ISSN 0030-4018
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.optcom.2004.04.013
Abstract
All-optical, mirrorless switching is demonstrated with bacteriorhodopsin (bR) film using a very simple geometry. A low-power, 532 nm laser beam modulates the transmission of a cw laser beam at 635 nm, a wavelength that corresponds to peak absorption of the O-excited state in the bR photocycle. The switching contrast depends on the pulse width and average power of the modulating laser. Varying the pulse width and frequency of the modulating laser controls the phase of the switching characteristics. Simulations based on a rate equation approach consider a six-state model of the bR photocycle that successfully reproduce the experimental results.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | All-optical Switch; Bacteriorhodopsin; Biomolecular Photonics |
| ID Code: | 77585 |
| Deposited On: | 13 Jan 2012 11:42 |
| Last Modified: | 13 Jan 2012 11:42 |
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