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Optical waveguides and cavities are important components among modern optical devices. Traditional optical cavities rely on total internal reflection or photonic bandgaps to achieve field confinement. Recently, a new type of trapped mode, the Dirac mode, has been reported to occur in triangular or honeycomb lattice photonic crystal. This novel localized mode is attribute to neither of the traditional...
In this paper, the antenna's performances of EBG (electronic band-gap) structure are well researched, based on FDTD (finite-difference time-domain) method. We designed a springboard structure patch antenna based on EBG (electronic band-gap) structure. After design and experiment, compared with the typical mushroom structure patch antenna based on EBG (electronic band-gap) structure, the results show...
Transmission properties of one-dimensional photonic crystal with two nonlinear defects were investigated based on the nonlinear transfer matrix method. From the inspection of the optical bistabilities around different defect modes, it was found that the threshold of bistability for the bonding mode is always lower than that for the anti-bonding mode. When intensity of the incident wave increases bistability...
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