Photovoltaic contribution to counter-propagating two-beam coupling in photorefractive lithium niobate

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ID: 270267
2001
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Abstract
A direct observation of the role of the photovoltaic effect in counter-propagating two-beam coupling in photorefractive iron-doped lithium niobate has been made. Through the application of a strong external field we directly observe that the photovoltaic effect is the dominant mechanism for a counter-propagating two-beam optical limiting geometry. We find that the contribution to counter-propagating two-beam coupling gain coefficient from the photovoltaic effect is approximately five times greater than that arising from diffusion mechanisms alone.
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Authors G. Cook,J.P. Duignan,D.C. Jones;G. Cook;J.P. Duignan;D.C. Jones;
Journal optics communications
Year 2001
DOI
10.1016/s0030-4018(01)01208-1
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