Abstract
We propose all-optical logic gate and modulator using nonlinear Kerr effect. The hybrid structure based on 2-D photonic crystal slab with triangular air-hole lattice is used for this purpose. The proposed cavity of switch structure is designed by infiltration of air holes with low refractive index and high third-order nonlinear coefficient polystyrene. Using numerical simulation, we present a fast logic gate with maximum on/off ratio of 26.61Â dB, and minimum switching time window of 5.66Â ps, while the maximum threshold power is 181Â mW. We, also, propose a modulator which can operate with the bit rate as high as above 70Â Gbps.
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Pezeshki, H., Darvish, G. Design and simulation of photonic crystal based all-optical logic gate and modulator using infiltration. Opt Quant Electron 48, 399 (2016). https://doi.org/10.1007/s11082-016-0676-x
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DOI: https://doi.org/10.1007/s11082-016-0676-x