Abstract

In this paper, a tunable, two-dimensional periodic structure based on guided-mode resonance (GMR) is proposed. This element can be employed as a tunable optical filter or a display pixel. Resonance tuning in this device is accomplished through perturbation in the refractive index profile and element’s thickness, conceptually by a micro-electro-mechanical system mechanism. Simulation results show that resonance wavelength tunings of 48nm (522–570 nm) and 17nm (526–543 nm) are achieved by physical movement of 166 nm horizontally and 300 nm vertically, respectively. The proposed device can fairly maintain its tunability under ±5° deviations in the angle of incidence.

© 2019 Optical Society of America

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