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This paper presents a movable gold waveguide for switching surface plasmon polariton (SPP) using the MEMS technology, which provides a simple but effective way to route the SPP. The input waveguide is patterned on top of a cantilever beam, and can be actuated to align the input to one of the two output gold waveguides fixed on the substrate. The gold waveguides are 2- mum wide and 40-nm thick patterned...
This paper presents a design of thermal actuator array to generate evenly-distributed displacement by cascading an array of rhombic-shaped units. Such design is implemented to a tunable grating to tune the period by 61% and to produce a total displacement of 215 mum. Such design is scalable to the sub-wavelength level, making its very attractive to many tunable nano-photonic devices.
This paper presents an integrated photonic MEMS switching system. The switching system consist of two perpendicular photonic crystal (PC) surface waveguide joined together to form a waveguide bend. An elliptical micro-mirror driven by a comb drive actuator is positioned with its foci at the end cells of the waveguide bend to provide the switching mechanism. When the position of the mirror is displaced,...
This paper presented the theoretical and experimental studies on a new mechanism of real pivot by use of a double-clamped beam. Comparison with the conventional virtual pivot formed by a cantilever beam, such real pivot provides large rotation angle and small position shift, which is key for the MEMS tunable lasers to obtain continuous wavelength tuning over a wide range. In experiment, the real pivot...
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