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Phys. Plasmas 19, 022103 (2012); http://dx.doi.org/10.1063/1.3680628 (7 pages)

Enhancement of omnidirectional photonic band gaps in one-dimensional dielectric plasma photonic crystals with a matching layer

Hai-Feng Zhang1,2, Shao-Bin Liu1,3, Xiang-Kun Kong1,4, Liang Zou1, Chun-Zao Li1, and Wu-shu Qing1

1College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
2Nanjing Artillery Academy, Nanjing 211132, China
3State Key Laboratory of Millimeter Waves of Southeast University, Nanjing Jiangsu 210096, China
4Department of Physics, Zhenjiang Watercraft College, Zhenjiang 212003, China

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(Received 16 October 2011; accepted 20 December 2011; published online 14 February 2012)

In this paper, we demonstrate by theoretical analysis a novel way to enhance the omnidirectional photonic band gap (OBG) in a type of photonic structure made of dielectric and plasma one-dimensional (1D) photonic crystals (1D PCs) by introducing a matching layer. Simulations by the transfer matrix method (TMM) show that such an OBG is insensitive to the incident angle and the polarization of electromagnetic (EM) wave; the frequency range and central frequency of OBG are significantly enlarged by introducing a matching layer in the heterostructure compared to 1D conventional binary dielectric photonic crystals (DPCs). The photonic band gap (PBG) of both polarizations also can be obviously enlarged as the incident angle is relatively small. The OBG originates from a Bragg gap in contrast to zero-math gap or single negative (negative permittivity or negative permeability) gap. From the numerical results, it has been shown that introducing a matching layer in such a heterostructure has a superior feature in the enhancement relative bandwidth of OBG compared with the conventional ternary plasma photonic crystals (PPCs); the frequency range of OBG can be notably enlarged by increasing the thickness and density of plasma layer.

© 2012 American Institute of Physics

Article Outline

  1. INTRODUCTION
  2. THEORETICAL MODEL AND NUMERICAL METHOD
  3. NUMERICAL RESULTS AND DISUSSION
    1. Introduced the matching layer to enhance the OBG
    2. Influence of plasma thickness
    3. Influence of plasma density
  4. CONCLUSION

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KEYWORDS and PACS

PACS

  • 52.27.Lw

    Dusty or complex plasmas; plasma crystals

  • 52.40.Db

    Electromagnetic (nonlaser) radiation interactions with plasma

  • 52.40.Hf

    Plasma-material interactions; boundary layer effects

  • 52.65.-y

    Plasma simulation

  • 52.25.Mq

    Dielectric properties

ARTICLE DATA

PUBLICATION DATA

ISSN

1070-664X (print)  
1089-7674 (online)

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