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Opt Lett. 2005 May 1;30(9):982-4.

Polarization control and sensing with two-dimensional coupled photonic crystal microcavity arrays.

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  • 1Edward L. Ginzton Laboratory, Stanford University, Stanford, California 94305-4088, USA.


We have experimentally studied polarization properties of the two-dimensional coupled photonic crystal microcavity arrays and observed a strong polarization dependence of the transmission and reflection of light from the structures-effects that can be employed in building miniaturized polarizing optical components. Moreover, by combining these properties with a strong sensitivity of the coupled bands on the surrounding refractive index, we have demonstrated a detection of small refractive-index changes in the environment, which is useful for construction of biochemical sensors.

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