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 $\sim 48\mathrm{nm}$ (522–570 nm) and $\sim 17\mathrm{nm}$ (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 $\pm 5°$ deviations in the angle of incidence.

© 2019 Optical Society of America

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