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Mode characteristics of three-dimensional (3-D) microsquare resonators are investigated by finite-difference time-domain (FDTD) simulation for the transverse electric (TE)-like and the transverse magnetic (TM)-like modes. For a pillar microsquare with a side length of 2 mum in air, we have Q-factors about 5 times 103 for TM-like modes at the wavelength of 1550 nm, which are one order larger than those...
The mode characteristics of a microcylinders with center layer thickness 0.2 mum and radius 1 mum are investigated by the three-dimensional (3D) finite-difference time-domain (FDTD) technique and the Pade approximation. The mode quality factor (Q-factor) of the EH71 mode obtained by 3D FDTD increase with the increase of the refractive index of the cladding layer n2 as n2 smaller than 3.17, and can...
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