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Three-electrode Ti:LiNbO3optical switch

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2 Author(s)
McCaughan, Leon ; University of Wisconsin, Madison, WI, USA ; Korotky, S.K.

Modifications of the conventional electrode arrangement of electrooptic directional coupler switches are described. UniformDelta Betaelectrodes can be symmetrically shortened to ∼ 40 percent of their length without significant increase in electrical drive voltage. Based on this result, a new three-electrode switch is described which can be used to electrically adjust both the bar and the crossed states of the switch. It is also demonstrated that the three-electrode arrangement can be used to reduce or eliminate optical crosstalk in Ti : LiNbO3switches.

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Lightwave Technology, Journal of  (Volume:4 ,  Issue: 9 )