Journal
PHYSICAL REVIEW A
Volume 80, Issue 4, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.80.043839
Keywords
light reflection; light transmission; metamaterials; optical dispersion; optical materials; photonic crystals
Categories
Funding
- National Natural Science Foundation of China [60806041, 10604047, 60877055]
- Shanghai Rising-Star Program [08QA14030]
- Science and Technology Commission of Shanghai Municipal [08JC14097]
- Shanghai Educational Development Foundation [2007CG52]
- Shanghai Leading Academic Discipline Program [S30105]
- Juan de la Cierva Programme of the Spanish MICINN
- CUHK [2060360]
- RGC [403609]
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Motivated by the realization of the Dirac point (DP) with a double-cone structure for optical field in the negative-zero-positive index metamaterial (NZPIM), the reflection, transmission, and Goos-Haumlnchen (GH) shifts inside the NZPIM slab are investigated. Due to the linear Dirac dispersion, the transmission as the function of the frequency has a gap, thus, the corresponding reflection has a frequency or wavelength window for the perfect reflection, which is similar to the Bragg reflection in the one-dimensional photonic crystals. Near the DP, the associated GH shifts in the transmission and reflection can be changed from positive to negative with increasing the wavelength. These negative and positive shifts can also be enhanced by transmission resonances when the frequency is far from that at the DP. All these phenomena will lead to some potential applications in the integrated optics and optical devices.
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