Analysis of photonic bandgap structure for a polaritonic photonic crystal in negative-index region

Meng Ru Wu; Hui Chuan Hung; Chien Jang Wu; Shoou Jinn Chang

doi:10.1364/JOSAB.31.001730

Analysis of photonic bandgap structure for a polaritonic photonic crystal in negative-index region

Meng Ru Wu, Hui Chuan Hung, Chien Jang Wu, Shoou Jinn Chang

Institute of Microelectronics

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

A photonic bandgap (PBG) structure for a polaritonic photonic crystal (PPC) containing lithium tantalate (LiTaO₃) in the negative refractive index (NRI) region has been theoretically investigated. This region consists of a narrow frequency range of anomalous dispersion and a wide range of normal dispersion. The result shows that such PPC has a multiple-PBG structure with one gap located in the anomalous dispersion region and others in the normal dispersion region. PBG in the anomalous region is invariant with filling factor and scaling. This gap is further proven to be independent of the angle of incidence for both TE and TM nodes, leading to the existence of an omnidirectional gap. BPGs within the normal dispersion region are, however, strongly affected by the above three factors, especially for gaps near the upper limit of the NRI region.

Original language	English
Pages (from-to)	1730-1734
Number of pages	5
Journal	Journal of the Optical Society of America B: Optical Physics
Volume	31
Issue number	7
DOIs	https://doi.org/10.1364/JOSAB.31.001730
Publication status	Published - 2014 Jul 1

All Science Journal Classification (ASJC) codes

Statistical and Nonlinear Physics
Atomic and Molecular Physics, and Optics

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10.1364/JOSAB.31.001730

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title = "Analysis of photonic bandgap structure for a polaritonic photonic crystal in negative-index region",

abstract = "A photonic bandgap (PBG) structure for a polaritonic photonic crystal (PPC) containing lithium tantalate (LiTaO3) in the negative refractive index (NRI) region has been theoretically investigated. This region consists of a narrow frequency range of anomalous dispersion and a wide range of normal dispersion. The result shows that such PPC has a multiple-PBG structure with one gap located in the anomalous dispersion region and others in the normal dispersion region. PBG in the anomalous region is invariant with filling factor and scaling. This gap is further proven to be independent of the angle of incidence for both TE and TM nodes, leading to the existence of an omnidirectional gap. BPGs within the normal dispersion region are, however, strongly affected by the above three factors, especially for gaps near the upper limit of the NRI region.",

author = "Wu, {Meng Ru} and Hung, {Hui Chuan} and Wu, {Chien Jang} and Chang, {Shoou Jinn}",

year = "2014",

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doi = "10.1364/JOSAB.31.001730",

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journal = "Journal of the Optical Society of America B: Optical Physics",

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T1 - Analysis of photonic bandgap structure for a polaritonic photonic crystal in negative-index region

AU - Wu, Meng Ru

AU - Hung, Hui Chuan

AU - Wu, Chien Jang

AU - Chang, Shoou Jinn

PY - 2014/7/1

Y1 - 2014/7/1

N2 - A photonic bandgap (PBG) structure for a polaritonic photonic crystal (PPC) containing lithium tantalate (LiTaO3) in the negative refractive index (NRI) region has been theoretically investigated. This region consists of a narrow frequency range of anomalous dispersion and a wide range of normal dispersion. The result shows that such PPC has a multiple-PBG structure with one gap located in the anomalous dispersion region and others in the normal dispersion region. PBG in the anomalous region is invariant with filling factor and scaling. This gap is further proven to be independent of the angle of incidence for both TE and TM nodes, leading to the existence of an omnidirectional gap. BPGs within the normal dispersion region are, however, strongly affected by the above three factors, especially for gaps near the upper limit of the NRI region.

AB - A photonic bandgap (PBG) structure for a polaritonic photonic crystal (PPC) containing lithium tantalate (LiTaO3) in the negative refractive index (NRI) region has been theoretically investigated. This region consists of a narrow frequency range of anomalous dispersion and a wide range of normal dispersion. The result shows that such PPC has a multiple-PBG structure with one gap located in the anomalous dispersion region and others in the normal dispersion region. PBG in the anomalous region is invariant with filling factor and scaling. This gap is further proven to be independent of the angle of incidence for both TE and TM nodes, leading to the existence of an omnidirectional gap. BPGs within the normal dispersion region are, however, strongly affected by the above three factors, especially for gaps near the upper limit of the NRI region.

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JF - Journal of the Optical Society of America B: Optical Physics

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Analysis of photonic bandgap structure for a polaritonic photonic crystal in negative-index region

Abstract

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