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Optica Publishing Group
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 2001),
  • paper JTuC4

Photonic band gap effect and localization in two-dimensional Penrose lattice

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Abstract

Photonic crystals are artificial periodic structures in which the refractive index modulation gives rise to stop bands for electromagnetic waves (EM) within a certain frequency range in all directions.1 Recently it was recognized that the photonic gaps can exist in two-dimensional (2D) octagonal quasicrystals.2 A quasiperiodic system is characterized by a lack of long range periodic translational order. But the quasiperiodic system has long-range band orientational order, so that it can be considered as an intermediate between periodic and random systems.3

© 2001 Optical Society of America

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