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All-optical beam deflection induced by cross-phase modulation in bacteriorhodopsin

All-optical beam deflection induced by cross-phase modulation in bacteriorhodopsin

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An all-optical beam deflection as high as 1.1 mrad has been obtained in bacteriorhodopsin for a CW pump intensity of ~930 W/cm2. This is one of the highest non-thermal all-optical deflections for a low driving intensity in a biological medium, which may find application in optical deflectors or space division all-optical switches.

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