13 May 2010 Photonic membranes and photonic crystal resonators for all-optical signal processing
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Abstract
Photonic membranes are widely used kind of 2D photonic crystals in signal processing. We develop the approach uniting both in-plane and out-of-plane geometries as well as resonator properties of membrane-like photonic crystals (MPC). The resonator standing modes are excited by an external source through the special inputs and may be controlled due to nonlinear coating. We study typical 1D and 2D photonic membrane resonators of rectangular form with nonlinear inclusions as an important element of logical devices. The drastic change of the reflectivity due to so-called nonlinear band shift effect is investigated and two main signal processing schemes are analyzed for Si/SiO2 MPC covered with nonlinear doped glasses. General design of alloptical logic gates and adder design are discussed. Novel calculation method based on the analytical basis of resonator's eigenstates is used to obtain dependencies for reflectivity, modal spectrum and field distribution for chosen working frequencies.
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E. Ya. Glushko, O. Glushko, L. A. Karachevtseva, "Photonic membranes and photonic crystal resonators for all-optical signal processing", Proc. SPIE 7713, Photonic Crystal Materials and Devices IX, 77131D (13 May 2010); doi: 10.1117/12.849802; https://doi.org/10.1117/12.849802
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