Large forbidden angles for a two-dimensional photonic crystal of connected-honeycomb lattice

Ya Chih Tsai; Jian Hao Wong; Shih-Chuan Gou

doi:10.1016/j.optcom.2009.10.025

Large forbidden angles for a two-dimensional photonic crystal of connected-honeycomb lattice

Ya Chih Tsai, Jian Hao Wong, Shih-Chuan Gou

Graduate Institute of Photonics

Research output: Contribution to journal › Article

4 Citations (Scopus)

Abstract

The off-plane band structures of a two-dimensional photonic crystals of connected-honeycomb lattice are calculated by the plane-wave expansion method. To investigate how the band gaps vary with the off-plane angle, an effective refractive-index model is employed to work out the corresponding angular gap map. We find that the connected-honeycomb lattice can provide forbidden angles taking up as much as 58.6% of the solid angle. The result will be helpful in the design of photonics devices incorporating two-dimensional photonic crystal structures.

Original language	English
Pages (from-to)	400-404
Number of pages	5
Journal	Optics Communications
Volume	283
Issue number	3
DOIs	https://doi.org/10.1016/j.optcom.2009.10.025
Publication status	Published - 2010 Feb 1

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All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Physical and Theoretical Chemistry
Electrical and Electronic Engineering

Cite this

Tsai, Y. C., Wong, J. H., & Gou, S-C. (2010). Large forbidden angles for a two-dimensional photonic crystal of connected-honeycomb lattice. Optics Communications, 283(3), 400-404. https://doi.org/10.1016/j.optcom.2009.10.025

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Access to Document

10.1016/j.optcom.2009.10.025