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2011•Journal of Jinggangshan UniversityRequires access

ANALYSIS OF INFLUENCE OF STRUCTURE PARAMETER ON COMPLETE BAND-GAP OF TWO DIMENSIONAL PHOTONIC CRYSTALS

Mingkun Xu

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Abstract

The complete band gap of two-dimensional photonic crystal is calculated with the plane wave method. The background dielectric constant and the fill ratio change simultaneously. The background dielectric constant varies from 8 to 38,and the fill ratio varies from 0.39a to 0.51a. The influence factor is analyzed by the general calculation of the complete band gap. The result shows that the complete band gap is maximal at the fill ratio of 0.492a and the background dielectric constant of 20. The normalized complete band gap is 0.1387. The center frequency is 0.4447. The complete band gap increases rapidly when the dielectric constant is between 8 and 18 with the increase of the background dielectric constant. It also shows that it is maximal when the dielectric constant is 20. The complete band gap reduces subsequently. The center frequency reduces monotonously with the increase of the background dielectric constant.

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What this paper is about

The complete band gap of two-dimensional photonic crystal is calculated with the plane wave method. The background dielectric constant and the fill ratio change simultaneously. The background dielectric constant varies from 8 to 38,and the fill ratio varies from 0.39a to 0.51a. The influence factor is analyzed by the general calculation of the complete band gap. The result shows that the complete band gap is maximal at the fill ratio of 0.492a and the background dielectric constant of 20. The normalized complete band gap is 0.1387. The center frequency is 0.4447. The complete band gap increases rapidly when the dielectric constant is between 8 and 18 with the increase of the background dielectric constant. It also shows that it is maximal when the dielectric constant is 20. The complete band gap reduces subsequently. The center frequency reduces monotonously with the increase of the background dielectric constant.

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Available abstract

The complete band gap of two-dimensional photonic crystal is calculated with the plane wave method. The background dielectric constant and the fill ratio change simultaneously. The background dielectric constant varies from 8 to 38,and the fill ratio varies from 0.39a to 0.51a. The influence factor is analyzed by the general calculation of the complete band gap. The result shows that the complete band gap is maximal at the fill ratio of 0.492a and the background dielectric constant of 20. The normalized complete band gap is 0.1387. The center frequency is 0.4447. The complete band gap increases rapidly when the dielectric constant is between 8 and 18 with the increase of the background dielectric constant. It also shows that it is maximal when the dielectric constant is 20. The complete band gap reduces subsequently. The center frequency reduces monotonously with the increase of the background dielectric constant.

Key concepts: Dielectric, Band gap, Photonic crystal, Constant (computer programming), Materials science, Condensed matter physics, Plane wave expansion method, High-κ dielectric

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ANALYSIS OF INFLUENCE OF STRUCTURE PARAMETER ON COMPLETE BAND-GAP OF TWO DIMENSIONAL PHOTONIC CRYSTALS — Research Paper | ScholarLens