Abstract: A circular resonator, and an optical modulator and an optical element comprising same. The circular resonator includes a first material, formed in a circular shape, including a plurality of nano holes and having a thermo-optic coefficient varying at a predetermined ratio according to temperature, and a second material having a thermo-optic coefficient varying in a direction opposite to the direction of change of the thermo-optic coefficient of the first material depending on temperature, the second material being filled in the plurality of nano holes, wherein an interval between the plurality of nano holes is formed at a pitch shorter than the wavelength of incident light.

Abstract: An optical integrated device may include a substrate, a first laser diode oscillating in a transverse magnetic mode (TM mode) on the substrate, and a second laser diode oscillating in a transverse electric mode (TE mode) on the substrate, wherein the first laser diode includes a first body in a shape of a disk, and through holes penetrating the first body.

Abstract: A circular resonator, and an optical modulator and an optical element comprising same. The circular resonator includes a first material, formed in a circular shape, including a plurality of nano holes and having a thermo-optic coefficient varying at a predetermined ratio according to temperature, and a second material having a thermo-optic coefficient varying in a direction opposite to the direction of change of the thermo-optic coefficient of the first material depending on temperature, the second material being filled in the plurality of nano holes, wherein an interval between the plurality of nano holes is formed at a pitch shorter than the wavelength of incident light.

Abstract: A method for designing a non-circular dielectric resonator is provided. The method includes obtaining a conformal transformation coordinate of the non-circular dielectric resonator to correspond to a rectangular coordinate system of a circular dielectric resonator, mapping the obtained conformal transformation coordinate to the non-circular dielectric resonator, and setting a refractive index in the non-circular resonator and allowing an incident angle of light to satisfy a condition for total reflection in each of boundary areas in a non-circular dielectric resonator to which the conformal transformation coordinate is mapped.

Abstract: Provided are a metamaterial structure and a manufacturing method thereof. The metamaterial structure includes a dielectric layer, nanowires penetrating the dielectric layer and arranged in a spacing having negative refraction with respect to an electromagnetic wave incident on the dielectric layer, and coating layers formed between the nanowires and the dielectric layer.

Abstract: Provided are an active metamaterial device operating at a high speed and a manufacturing method thereof. The active metamaterial device includes a first dielectric layer, a lower electrode disposed on the first dielectric layer, a second dielectric layer disposed on the lower electrode, metamaterial patterns disposed on the second dielectric layer, a couple layer disposed on the metamaterial patterns and the second dielectric layer, a third dielectric layer disposed on the couple layer, and an upper electrode disposed on the third dielectric layer.

Abstract: Provided are an active metamaterial device operating at a high speed and a manufacturing method thereof. The active metamaterial device includes a first dielectric layer, a lower electrode disposed on the first dielectric layer, a second dielectric layer disposed on the lower electrode, metamaterial patterns disposed on the second dielectric layer, a couple layer disposed on the metamaterial patterns and the second dielectric layer, a third dielectric layer disposed on the couple layer, and an upper electrode disposed on the third dielectric layer.

Abstract: Provided are a filter having a metamaterial structure and a method of manufacturing the filter. The filter includes a first dielectric layer, a first fishnet pattern having one or more first holes partially exposing the first dielectric layer, a second dielectric layer covering the first fishnet pattern and the first dielectric layer, a plurality of reverse patterns having the same shape as those of the first holes, and disposed on the second dielectric layer over the first holes, and a third dielectric layer covering the reverse patterns and the second dielectric layer.

Abstract: Provided are a metamaterial structure and a manufacturing method thereof. The metamaterial structure includes a dielectric layer, nanowires penetrating the dielectric layer and arranged in a spacing having negative refraction with respect to an electromagnetic wave incident on the dielectric layer, and coating layers formed between the nanowires and the dielectric layer.