Diffraction propagation of light wave and image distortionless transmission in ten-fold symmetric photonic quasicrystal lattices

Abstract

Linear propagation behavior of light wave in two-dimensional ten-fold symmetric photonic quasicrystal lattices was studied numerically by using beam propagation method. The influences of structural characteristics and parameter changes of the quasicrystal lattices on the propagation and suppression of light wave diffraction are analyzed, and the results are also compared with those in periodic square lattices. We investigate the linear transverse light localization in the quasicrystal lattices without defects. The results indicate that the quasicrystal lattices are easier to achieve linear light localization than the periodic lattices. In addition, we demonstrate the distortionless transmission of light-spot images can be achieved in the quasicrystal lattices by numerical simulation. In this way, more complex light-spot images can be transmitted in photonic quasicrystal arrays which are consisting of multiple basic units of quasicrystal lattices. It has potential applications for optical information transmission and all optical signal processing.