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Electroholographic switches in which the applied field is perpendicular to the grating vector so that the Bragg condition is electrically tuned are presented. Tunability of 7 nm can be accomplished in a single grating.
Fast wavelength selective switching implemented by an electroholographic switch constructed of a KLTN:Cu crystal is presented. Switching at 7 nanoseconds and selectivity of 100GHz were obtained.
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