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Structure of the SMCW.
Reflectivity (solid curve in blue) and GH shift (dashed curve in red) with respect to the effective RI.
Principle of the control of the spatial beam position.
Experimental setup. PD photodiode; PSD: position-sensitive detector.
Relative lateral shift of reflected beam with respect to applied voltage .
Field distributions of incident beam (solid curve in red) and reflected beam (dashed curve in blue) with different applied voltages: (a) , (b) , (c) , and (d) .
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