Properties of defect modes in one-dimensional photonic crystals that contain single negative materials

Sahar A. El-Naggar

doi:10.1117/1.OE.52.2.024602

4 February 2013 Properties of defect modes in one-dimensional photonic crystals that contain single negative materials

Sahar A. El-Naggar

Author Affiliations +

Optical Engineering, Vol. 52, Issue 2, 024602 (February 2013). https://doi.org/10.1117/1.OE.52.2.024602

Abstract

We examine the properties of the defect modes arising in the zero-effective phase (zero-φ ) gap when a dielectric defect layer is introduced in a one-dimensional photonic crystal containing single negative materials. We show that the defect modes inside the zero-φ gap can be as sensitive to the incidence angle as those inside the Bragg gap. In addition, adjusting the properties of the dielectric defect layer can control the frequencies and the number of defect modes. We present a brief design of a polarization-independent spatial filter based on those defects. The proposed spatial filter can work at dual carrier frequencies with low-pass and wide-pass characteristics. Our results can help improve the performance of microwave devices independent of the source wave polarization.

Citation Download Citation

Sahar A. El-Naggar "Properties of defect modes in one-dimensional photonic crystals that contain single negative materials," Optical Engineering 52(2), 024602 (4 February 2013). https://doi.org/10.1117/1.OE.52.2.024602

Published: 4 February 2013

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