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Coupled microcircular lasers with an output waveguide laterally confined by insulator SiO2 and p-electrode metal are fabricated by conventional photolithography and inductively coupled-plasma etching technique. Mode characteristics are numerically investigated by FDTD technique.
The characteristics for the twin coupled microdisks are investigated by finite-difference time-domain (FDTD) technique. In the twin coupled microdisks, mode coupling between the same order whispering-gallery modes (WGMs) results in coupled WGMs with split mode wavelengths and different quality factor (Q-factor). The numerical results show that the coupling between the first and the second order WGMs...
We have investigated the mode characteristics for rectangular microcavities by finite-difference time-domain (FDTD) technique. The results show that high quality factor (Q-factor) modes exist in the rectangular microcavities due to the mode coupling.
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