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The influence of fabrication errors and periodic defects on the width and number of 1D photonic crystals band gaps

B. LAZAR1, P. STERIAN1,*

Affiliation

  1. University Center for Optical Engineering and Photonics, Bucharest Polytechnic University, 76206 Bucharest, Romania

Abstract

With the help of periodic defects tiny allowed spaces of frequency can be introduced in the middle of the forbidden domains belonging to the perfect, unperturbed 1D crystal (without impurities). A 1D photonic crystal is relatively resistant to fabrication errors, the band gaps maintaining their position and width even if the manufacturing tolerance is large enough..

Keywords

1D photonic crystal, Fabrication errors, Band gaps.

Submitted at: Nov. 2, 2006
Accepted at: April 15, 2007

Citation

B. LAZAR, P. STERIAN, The influence of fabrication errors and periodic defects on the width and number of 1D photonic crystals band gaps, Journal of Optoelectronics and Advanced Materials Vol. 9, Iss. 4, pp. 1091-1103 (2007)