We demonstrate the use of liquid crystal infiltration of fishnet structures for the realization of highly tunable and
nonlinear optical metamaterials. We show that fishnet metamaterials infiltrated with nematic liquid crystals can exhibit
strong nonlinear response at moderate laser powers. We also show that this nonlinear response arises due to the
molecular orientation of the liquid crystal molecules and can be therefore be fine-tuned with an electric field, opening
new opportunities for electrically tunable nonlinear metamaterials.
We present the fabrication of high Q factor micro-ring resonators on SOI substrate by directly focused-ion-beam (FIB)
milling. Micro-ring resonators with diameters of 10 μm and 80 μm are fabricated and their corresponding intrinsic Q
factors are 4,000 and 130,000, respectively.
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