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Abstract
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By designing periodic structures of photonic crystals,
electromagnetic waves can be reflected in a certain
frequency range from their surface. Using the above
feature, the emission of photons can be guided in the
designed waveguide within the structure of photon
crystal networks. One of the most important applications
of photonic crystals is in the construction of
logic gates. Therefore, in this paper, using the simulation
method based on the numerical method of finite
difference in time domain, the propagation of electromagnetic
waves inside two-dimensional engineered
photonic crystals is investigated and the structure
of band gap and distribution of electric and magnetic
fields in the structure of photonic crystal lattice
is calculated. The results show that using the unique
structure of the designed photonic crystal, which has
defects in the lattice, the performance of the AND
and NOT logic gates can be well observed.
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