Photoluminescence modification by a high-order photonic band with abnormal dispersion in ZnO inverse opal

Heeso Noh; Michael Scharrer; Mark A. Anderson; Robert P.H. Chang; Hui Cao

doi:10.1103/PhysRevB.77.115136

Photoluminescence modification by a high-order photonic band with abnormal dispersion in ZnO inverse opal

Heeso Noh^*, Michael Scharrer, Mark A. Anderson, Robert P.H. Chang, Hui Cao

^*Corresponding author for this work

Materials Science and Engineering

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

30 Scopus citations

Abstract

We measured the angle- and polarization-resolved reflection and photoluminescence spectra of ZnO inverse opals. Significant enhancement of spontaneous emission is observed. The enhanced emission not only has good directionality but can also be linearly polarized. A detailed theoretical analysis and numerical simulation reveal that such enhancement is caused by the abnormal dispersion of a high-order photonic band. The frozen mode at a stationary inflection point of a dispersion curve can strongly modify the intensity, directionality, and polarization of spontaneous emission.

Original language	English (US)
Article number	115136
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	77
Issue number	11
DOIs	https://doi.org/10.1103/PhysRevB.77.115136
State	Published - Mar 27 2008

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.77.115136

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abstract = "We measured the angle- and polarization-resolved reflection and photoluminescence spectra of ZnO inverse opals. Significant enhancement of spontaneous emission is observed. The enhanced emission not only has good directionality but can also be linearly polarized. A detailed theoretical analysis and numerical simulation reveal that such enhancement is caused by the abnormal dispersion of a high-order photonic band. The frozen mode at a stationary inflection point of a dispersion curve can strongly modify the intensity, directionality, and polarization of spontaneous emission.",

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AU - Noh, Heeso

AU - Scharrer, Michael

AU - Anderson, Mark A.

AU - Chang, Robert P.H.

AU - Cao, Hui

PY - 2008/3/27

Y1 - 2008/3/27

N2 - We measured the angle- and polarization-resolved reflection and photoluminescence spectra of ZnO inverse opals. Significant enhancement of spontaneous emission is observed. The enhanced emission not only has good directionality but can also be linearly polarized. A detailed theoretical analysis and numerical simulation reveal that such enhancement is caused by the abnormal dispersion of a high-order photonic band. The frozen mode at a stationary inflection point of a dispersion curve can strongly modify the intensity, directionality, and polarization of spontaneous emission.

AB - We measured the angle- and polarization-resolved reflection and photoluminescence spectra of ZnO inverse opals. Significant enhancement of spontaneous emission is observed. The enhanced emission not only has good directionality but can also be linearly polarized. A detailed theoretical analysis and numerical simulation reveal that such enhancement is caused by the abnormal dispersion of a high-order photonic band. The frozen mode at a stationary inflection point of a dispersion curve can strongly modify the intensity, directionality, and polarization of spontaneous emission.

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Photoluminescence modification by a high-order photonic band with abnormal dispersion in ZnO inverse opal

Abstract

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