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Research Article Open Access
We study exciton-like electromagnetic excitations in non-ideal microcavity lattice with the use of the virtual crystal approximation. The effect of point defects (vacancies) on the excitation spectrum is being numerically modeled for a quasi-two-dimensional non-ideal binary microcavity supercrystal. The adopted approach permits to obtain the dispersion dependence of collective excitation frequencies and the energy gap width on defect concentrations in a microcavity lattice. Based on the representations of the ideal photonic structures, the non-ideal polaritonic crystal, which is a set of spatially ordered cavities containing atomic clusters, is considered too. The analytical expressions for polaritonic frequencies, effective mass and group velocities, as a function of corresponding quantum dots and vacancies concentrations is obtained.
Infrared, Femtosecond Laser, Fibre Optical Sensors, Integrated Circuit, Laser Diode, Nano Photonics, Nonlinear Optics, Optical Fiber, Optical Switch, Optics , Oscillations, Photon, Photonic Band Gap, Photonic Crystal, Photonic Crystal Fiber, Photonics, Quantum Dot, Quantum Well, Refractive Index, Semiconductor Laser, Signal Crystal, Single Mode, Laser Spectrum, Two Photonabsorption, Wave Theory,Experimental Physics,Physics Models