40 GHz electro-optic modulation in hybrid silicon-organic slotted photonic crystal waveguides

Jan Hendrik Wülbern, Stefan Prorok, Jan Hampe, Alexander Petrov, Manfred Eich, Jingdong Luo, Alex K.-Y. Jen, Martin Jenett & Arne Jacob
In this Letter we demonstrate broadband electro-optic modulation with frequencies of up to 40GHz in slotted photonic crystal waveguides based on silicon-on-insulator substrates covered and infiltrated with a nonlinear optical polymer. Two-dimensional photonic crystal waveguides in silicon enable integrated optical devices with an extremely small geometric footprint on the scale of micrometers. The slotted waveguide design optimizes the overlap of the optical and electric fields in the second-order nonlinear optical medium and, hence, the interaction...
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