Band structure computation of one-dimensional photonic crystal

Shailendra Kumar Varshney; Mukesh P. Singh; Ravindra Kumar Sinha

doi:10.1117/12.479507

9 July 2003 Band structure computation of one-dimensional photonic crystal

Shailendra Kumar Varshney, Mukesh P. Singh, Ravindra Kumar Sinha

Proceedings Volume 5000, Photonic Crystal Materials and Devices; (2003) https://doi.org/10.1117/12.479507
Event: Integrated Optoelectronics Devices, 2003, San Jose, CA, United States

Abstract

In this paper, the band structure for 1-D photonic crystal structure, which is composed of two different dielectric layers in a one-dimensional pattern, obtained by transfer matrix method, is reported. It has been observed that the bandgap depends on the contrast of dielectric constant and thickness of dielectric layers. Further, it is found that the enhanced bandgap can be obtained by changing the dielectric contrast and thickness of the layers. Primary & Secondary bandgaps are also estimated and the bandgaps have been engineered with reference to their dependence on spacing between layers and dielectric contrasts. Further, we also report the band gap calculation of three different dielectric layers stacked in 1-D periodic structure. Such structure might find its application in the design & development of asymmetric planar photonic crystals

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Shailendra Kumar Varshney, Mukesh P. Singh, and Ravindra Kumar Sinha "Band structure computation of one-dimensional photonic crystal", Proc. SPIE 5000, Photonic Crystal Materials and Devices, (9 July 2003); https://doi.org/10.1117/12.479507

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KEYWORDS

Dielectrics

Photonic crystals

Gallium arsenide

Refractive index

Applied physics

Interfaces

Modulation

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