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Abstract

A micro-electro-mechanical system (MEMS) optical switch actuator and method for fabricating the actuator provide an anchor assembly that functions as a second electrode. The actuator has a reflective element assembly and a first electrode assembly for moving the reflective element assembly from a first position to a second position based on a switching signal. The actuator further includes an anchor assembly coupled to the reflective element assembly such that a spring force is generated in the reflective element assembly when the reflective element assembly is in the second position. The anchor assembly is electrically conductive such that the switching signal generates an electrostatic force between the anchor assembly and the first electrode assembly. The method for fabricating the actuator includes the step of coupling a multi-level reflection assembly to an optical circuit. The reflection assembly has an electrically conductive anchor assembly positioned at a first level with respect to the optical circuit and a mirror positioned at a second level with respect to the optical circuit. An insulative mirror beam layer is then coupled to the reflection assembly, and an electrode assembly is coupled to the mirror beam layer. The electrode assembly is coupled such that a voltage potential between the anchor assembly and the electrode assembly causes the electrode assembly to force the mirror beam layer and the mirror from the first switching position to the second switching position.

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