Photonic band gap in 1D Photonic crystals with gradient profile of pitch and amplitude of modulation

  • Sedrakian D
  • Gevorgyan A
  • Khachatrian A
 et al. 
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The optical properties of one-dimensional photonic crystals with graded profile of pitch and that of the amplitude of modulation are studied theoretically. The development method, elaborated by the authors earlier, is applied. We show that there exist photonic band gaps in their transmission spectra, and, moreover, they have much wider bandwidth. © 2006 Elsevier B.V. All rights reserved.

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