Abstract
In this paper, the characteristics of the complete photonic band gaps for two-dimensional nonlinear plasma photonic crystals are studied theoretically by using the finite-difference time-domain method. The two-dimensional structure comprises nonlinear rods with different geometrical shapes and orientations in a plasma background with square and honeycomb lattices. The embedded dielectric rods containing Kerr nonlinearity have a relative permittivity that is a function of the external light intensity. Our simulation results show that almost all designed nonlinear structures represent noticeable complete band gaps whose position and width can be tuned by altering the light intensity. Furthermore, the influence of geometrical parameters on properties of the band spectra is discussed.
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